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Finding the Fourth Proportional to 91,753.68, 137,630.40 and 60,581.52

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Solution

The fourth proportional to 91,753.68, 137,630.40 and 60,581.52 is: 90,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,753.68 : 137,630.40 = 60,581.52 : x
  2. Step 2: Convert to fraction form
    91,753.68/137,630.40 = 60,581.52/x
  3. Step 3: Cross multiply
    91,753.68x = 137,630.40 × 60,581.52
  4. Step 4: Simplify right side
    91,753.68x = 8,337,858,830.21
  5. Step 5: Solve for x
    x = 8,337,858,830.21/91,753.68
  6. Step 6: Final answer
    x = 90,872.20

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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.