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Finding the Fourth Proportional to 226,884, 313,099.92 and 126,279.84

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Solution

The fourth proportional to 226,884, 313,099.92 and 126,279.84 is: 174,266.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,884 : 313,099.92 = 126,279.84 : x
  2. Step 2: Convert to fraction form
    226,884/313,099.92 = 126,279.84/x
  3. Step 3: Cross multiply
    226,884x = 313,099.92 × 126,279.84
  4. Step 4: Simplify right side
    226,884x = 39,538,207,801.61
  5. Step 5: Solve for x
    x = 39,538,207,801.61/226,884
  6. Step 6: Final answer
    x = 174,266.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.