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Finding the Fourth Proportional to 225,331.97, 338,061.54 and 112,876.43

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Solution

The fourth proportional to 225,331.97, 338,061.54 and 112,876.43 is: 169,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,331.97 : 338,061.54 = 112,876.43 : x
  2. Step 2: Convert to fraction form
    225,331.97/338,061.54 = 112,876.43/x
  3. Step 3: Cross multiply
    225,331.97x = 338,061.54 × 112,876.43
  4. Step 4: Simplify right side
    225,331.97x = 38,159,179,755.50
  5. Step 5: Solve for x
    x = 38,159,179,755.50/225,331.97
  6. Step 6: Final answer
    x = 169,346.50

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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.