I haven't read this whole thread, but have read most of it. I think the major things you need to do are
1) change the entire family's eating habits to a healthier, more whole-foods diet. Get rid of all the processed junk and learn to eat whole, simpler foods. This can be a learning curve, so I would start by making baby steps. Get rid of cheez-its and eat carrot sticks or fruit instead. Replace the ramen noodles with a basic recipe you learn to make yourself that you can make in big batches and keep in the freezer for quick meals. A simple recipe might be something like rice noodles, with cut-up roasted chicken, chopped broccolli and a healthier (ie. no msg or other junk) soy sauce
2) Accept that your daughter will never be as thin as you are..she is a different person and built differently. Everyone is different and 5'5" and 147 pounds is within the healthy rate range...maybe at the upper end, but still within it.
3) Don't assume that she is going to just keep gaining and gaining until she ends up at like 250 pounds. A healthy person with a healthy diet and healthy metabolism will not keep gaining weight..their weight will stabilize. You daughter may continue to gain some, as she may still be growing some..but as long as her diet is healthy and she has some activity and she isn't binging, she isn't going to end up obese or antyhing.