$15, 19, 83, 119, 631, (?)$

Find the missing term in the series: $4.5, 16, ?, 33, 38.5, 42, 43.5$

In the following number series,a wrong number is given. Find out that wrong number.
$2, 10, 18, 54, 162, 486, 1458$

Find the next number in the series: $1, 4, 10, 22, 46, ?$

$165, 195, 255, 285, 345, ?$

In the following number series,a wrong number is given. Find out that wrong number.
$16 \quad 19 \quad 21 \quad 30 \quad 46 \quad 71 \quad 107$