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Finding the Fourth Proportional to 568,818.87, 853,279.33 and 148,098.39

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Solution

The fourth proportional to 568,818.87, 853,279.33 and 148,098.39 is: 222,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,818.87 : 853,279.33 = 148,098.39 : x
  2. Step 2: Convert to fraction form
    568,818.87/853,279.33 = 148,098.39/x
  3. Step 3: Cross multiply
    568,818.87x = 853,279.33 × 148,098.39
  4. Step 4: Simplify right side
    568,818.87x = 126,369,294,993.28
  5. Step 5: Solve for x
    x = 126,369,294,993.28/568,818.87
  6. Step 6: Final answer
    x = 222,160.87

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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.