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Finding the Fourth Proportional to 99,446.59, 149,169.70 and 29,375.11

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Solution

The fourth proportional to 99,446.59, 149,169.70 and 29,375.11 is: 44,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,446.59 : 149,169.70 = 29,375.11 : x
  2. Step 2: Convert to fraction form
    99,446.59/149,169.70 = 29,375.11/x
  3. Step 3: Cross multiply
    99,446.59x = 149,169.70 × 29,375.11
  4. Step 4: Simplify right side
    99,446.59x = 4,381,876,346.17
  5. Step 5: Solve for x
    x = 4,381,876,346.17/99,446.59
  6. Step 6: Final answer
    x = 44,062.61

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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.