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Finding the Fourth Proportional to 91,737.02, 126,479.90 and 59,414.54

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Solution

The fourth proportional to 91,737.02, 126,479.90 and 59,414.54 is: 81,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,737.02 : 126,479.90 = 59,414.54 : x
  2. Step 2: Convert to fraction form
    91,737.02/126,479.90 = 59,414.54/x
  3. Step 3: Cross multiply
    91,737.02x = 126,479.90 × 59,414.54
  4. Step 4: Simplify right side
    91,737.02x = 7,514,744,593.88
  5. Step 5: Solve for x
    x = 7,514,744,593.88/91,737.02
  6. Step 6: Final answer
    x = 81,916.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.