Pick the odd thing out in the following.
Note: The following question follows a definite pattern. Observe the same and fill in the blank with suitable answer.
BKP , EMQ , IPS , NTV, ________
18, 30, 48, 72, 102, _________
0.8, 3.8 , 12.6, 44.8, 188.2, __________
7, 19, 73 , 361 , __________ , 15121
A, B, D, G, K, _________