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Finding the Fourth Proportional to 83,781.00, 125,761.04 and 33,893.71

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Solution

The fourth proportional to 83,781.00, 125,761.04 and 33,893.71 is: 50,876.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,781.00 : 125,761.04 = 33,893.71 : x
  2. Step 2: Convert to fraction form
    83,781.00/125,761.04 = 33,893.71/x
  3. Step 3: Cross multiply
    83,781.00x = 125,761.04 × 33,893.71
  4. Step 4: Simplify right side
    83,781.00x = 4,262,508,120.67
  5. Step 5: Solve for x
    x = 4,262,508,120.67/83,781.00
  6. Step 6: Final answer
    x = 50,876.79

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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.