Joshua made 20 + 6 = <<20+6=26>>26 macarons.
Miles made 26 x 2 = <<26*2=52>>52 macarons.
Three-fourths of Miles' macarons is 52 x 3/4 = <<52*3/4=39>>39.
So Renz made 39 - 1 = <<39-1=38>>38 macarons.
The four of them have a total of 20 + 26 + 52 + 38 = <<20+26+52+38=136>>136 macarons combined.
Thus, 136/2 = <<136/2=68>>68 kids would receive 2 macarons each.
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