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Finding the Fourth Proportional to 226,572.31, 339,836.47 and 68,802.13

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Solution

The fourth proportional to 226,572.31, 339,836.47 and 68,802.13 is: 103,196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,572.31 : 339,836.47 = 68,802.13 : x
  2. Step 2: Convert to fraction form
    226,572.31/339,836.47 = 68,802.13/x
  3. Step 3: Cross multiply
    226,572.31x = 339,836.47 × 68,802.13
  4. Step 4: Simplify right side
    226,572.31x = 23,381,472,987.68
  5. Step 5: Solve for x
    x = 23,381,472,987.68/226,572.31
  6. Step 6: Final answer
    x = 103,196.52

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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.