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Finding the Fourth Proportional to 99,337.76, 137,086.10 and 54,625.76

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Solution

The fourth proportional to 99,337.76, 137,086.10 and 54,625.76 is: 75,383.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,337.76 : 137,086.10 = 54,625.76 : x
  2. Step 2: Convert to fraction form
    99,337.76/137,086.10 = 54,625.76/x
  3. Step 3: Cross multiply
    99,337.76x = 137,086.10 × 54,625.76
  4. Step 4: Simplify right side
    99,337.76x = 7,488,432,397.94
  5. Step 5: Solve for x
    x = 7,488,432,397.94/99,337.76
  6. Step 6: Final answer
    x = 75,383.54

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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.