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Finding the Fourth Proportional to 225,034.80, 337,600.80 and 67,279.20

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Solution

The fourth proportional to 225,034.80, 337,600.80 and 67,279.20 is: 100,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,034.80 : 337,600.80 = 67,279.20 : x
  2. Step 2: Convert to fraction form
    225,034.80/337,600.80 = 67,279.20/x
  3. Step 3: Cross multiply
    225,034.80x = 337,600.80 × 67,279.20
  4. Step 4: Simplify right side
    225,034.80x = 22,713,511,743.36
  5. Step 5: Solve for x
    x = 22,713,511,743.36/225,034.80
  6. Step 6: Final answer
    x = 100,933.33

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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.