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Finding the Fourth Proportional to 72,038.16, 108,057.12 and 59,700.24

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Solution

The fourth proportional to 72,038.16, 108,057.12 and 59,700.24 is: 89,550.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,038.16 : 108,057.12 = 59,700.24 : x
  2. Step 2: Convert to fraction form
    72,038.16/108,057.12 = 59,700.24/x
  3. Step 3: Cross multiply
    72,038.16x = 108,057.12 × 59,700.24
  4. Step 4: Simplify right side
    72,038.16x = 6,451,035,997.71
  5. Step 5: Solve for x
    x = 6,451,035,997.71/72,038.16
  6. Step 6: Final answer
    x = 89,550.26

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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.