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Finding the Fourth Proportional to 226,575.49, 339,863.78 and 68,805.13

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Solution

The fourth proportional to 226,575.49, 339,863.78 and 68,805.13 is: 103,207.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,575.49 : 339,863.78 = 68,805.13 : x
  2. Step 2: Convert to fraction form
    226,575.49/339,863.78 = 68,805.13/x
  3. Step 3: Cross multiply
    226,575.49x = 339,863.78 × 68,805.13
  4. Step 4: Simplify right side
    226,575.49x = 23,384,371,221.17
  5. Step 5: Solve for x
    x = 23,384,371,221.17/226,575.49
  6. Step 6: Final answer
    x = 103,207.86

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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.