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Finding the Fourth Proportional to 118,536.57, 177,943.77 and 93,593.43

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Solution

The fourth proportional to 118,536.57, 177,943.77 and 93,593.43 is: 140,499.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,536.57 : 177,943.77 = 93,593.43 : x
  2. Step 2: Convert to fraction form
    118,536.57/177,943.77 = 93,593.43/x
  3. Step 3: Cross multiply
    118,536.57x = 177,943.77 × 93,593.43
  4. Step 4: Simplify right side
    118,536.57x = 16,654,367,781.43
  5. Step 5: Solve for x
    x = 16,654,367,781.43/118,536.57
  6. Step 6: Final answer
    x = 140,499.83

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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.