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Finding the Fourth Proportional to 226,463.31, 339,696.18 and 68,691.92

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Solution

The fourth proportional to 226,463.31, 339,696.18 and 68,691.92 is: 103,038.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,463.31 : 339,696.18 = 68,691.92 : x
  2. Step 2: Convert to fraction form
    226,463.31/339,696.18 = 68,691.92/x
  3. Step 3: Cross multiply
    226,463.31x = 339,696.18 × 68,691.92
  4. Step 4: Simplify right side
    226,463.31x = 23,334,381,122.38
  5. Step 5: Solve for x
    x = 23,334,381,122.38/226,463.31
  6. Step 6: Final answer
    x = 103,038.24

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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.