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Finding the Fourth Proportional to 99,337.44, 137,082.96 and 54,625.44

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Solution

The fourth proportional to 99,337.44, 137,082.96 and 54,625.44 is: 75,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.44 : 137,082.96 = 54,625.44 : x
  2. Step 2: Convert to fraction form
    99,337.44/137,082.96 = 54,625.44/x
  3. Step 3: Cross multiply
    99,337.44x = 137,082.96 × 54,625.44
  4. Step 4: Simplify right side
    99,337.44x = 7,488,217,006.50
  5. Step 5: Solve for x
    x = 7,488,217,006.50/99,337.44
  6. Step 6: Final answer
    x = 75,381.62

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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.