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Finding the Fourth Proportional to 79,863.48, 119,781.17 and 29,252.05

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Solution

The fourth proportional to 79,863.48, 119,781.17 and 29,252.05 is: 43,872.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,863.48 : 119,781.17 = 29,252.05 : x
  2. Step 2: Convert to fraction form
    79,863.48/119,781.17 = 29,252.05/x
  3. Step 3: Cross multiply
    79,863.48x = 119,781.17 × 29,252.05
  4. Step 4: Simplify right side
    79,863.48x = 3,503,844,773.90
  5. Step 5: Solve for x
    x = 3,503,844,773.90/79,863.48
  6. Step 6: Final answer
    x = 43,872.93

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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.