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Finding the Fourth Proportional to 229,560.88, 344,144.10 and 79,781.71

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Solution

The fourth proportional to 229,560.88, 344,144.10 and 79,781.71 is: 119,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,560.88 : 344,144.10 = 79,781.71 : x
  2. Step 2: Convert to fraction form
    229,560.88/344,144.10 = 79,781.71/x
  3. Step 3: Cross multiply
    229,560.88x = 344,144.10 × 79,781.71
  4. Step 4: Simplify right side
    229,560.88x = 27,456,403,063.69
  5. Step 5: Solve for x
    x = 27,456,403,063.69/229,560.88
  6. Step 6: Final answer
    x = 119,604.02

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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.