1440.
240
768
240
The next number is the sequence 236175969, 48, 12 is 236175861.
The sequence reflects a pattern of multiplying by 3, then adding 3, to each successive value. The next value would be 144. Explanation: 4x3=12, 12+3=15, 15x3=45, 45+3=48, 48x3=144
240
480, 96, 960
240
768
The LCM is 48.
The least common multiple of 30, 48 and 60 is 240.
5/12 * 48 = 240 / 12 = 20
240
96
48 multiplied by 240 is 11,520
48, 96, 144, 192, 240 . . .
240