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Finding the Fourth Proportional to 226,276.30, 339,431.46 and 68,517.46

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Solution

The fourth proportional to 226,276.30, 339,431.46 and 68,517.46 is: 102,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,276.30 : 339,431.46 = 68,517.46 : x
  2. Step 2: Convert to fraction form
    226,276.30/339,431.46 = 68,517.46/x
  3. Step 3: Cross multiply
    226,276.30x = 339,431.46 × 68,517.46
  4. Step 4: Simplify right side
    226,276.30x = 23,256,981,483.29
  5. Step 5: Solve for x
    x = 23,256,981,483.29/226,276.30
  6. Step 6: Final answer
    x = 102,781.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.