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Finding the Fourth Proportional to 147,152.80, 220,729.20 and 36,344.80

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Solution

The fourth proportional to 147,152.80, 220,729.20 and 36,344.80 is: 54,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,152.80 : 220,729.20 = 36,344.80 : x
  2. Step 2: Convert to fraction form
    147,152.80/220,729.20 = 36,344.80/x
  3. Step 3: Cross multiply
    147,152.80x = 220,729.20 × 36,344.80
  4. Step 4: Simplify right side
    147,152.80x = 8,022,358,628.16
  5. Step 5: Solve for x
    x = 8,022,358,628.16/147,152.80
  6. Step 6: Final answer
    x = 54,517.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.