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Finding the Fourth Proportional to 226,575.74, 339,864.15 and 68,805.38

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Solution

The fourth proportional to 226,575.74, 339,864.15 and 68,805.38 is: 103,208.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,575.74 : 339,864.15 = 68,805.38 : x
  2. Step 2: Convert to fraction form
    226,575.74/339,864.15 = 68,805.38/x
  3. Step 3: Cross multiply
    226,575.74x = 339,864.15 × 68,805.38
  4. Step 4: Simplify right side
    226,575.74x = 23,384,481,989.13
  5. Step 5: Solve for x
    x = 23,384,481,989.13/226,575.74
  6. Step 6: Final answer
    x = 103,208.23

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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.