Sarah is planning a birthday party for her child. She needs to buy party supplies including 15 balloons at $0.50 each, 20 party hats at $0.75 each, and a birthday cake costing $30. She also plans to order 3 large pizzas, each costing $15. If she wants to tip the pizza delivery person 20%, what will be the total cost of the party supplies, cake, and pizzas including the tip? Let's think step by step and output the final answer within \boxed{}.
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