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Finding the Fourth Proportional to 226,540.92, 339,789.54 and 68,770.74

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Solution

The fourth proportional to 226,540.92, 339,789.54 and 68,770.74 is: 103,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.92 : 339,789.54 = 68,770.74 : x
  2. Step 2: Convert to fraction form
    226,540.92/339,789.54 = 68,770.74/x
  3. Step 3: Cross multiply
    226,540.92x = 339,789.54 × 68,770.74
  4. Step 4: Simplify right side
    226,540.92x = 23,367,578,110.06
  5. Step 5: Solve for x
    x = 23,367,578,110.06/226,540.92
  6. Step 6: Final answer
    x = 103,149.48

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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.