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Finding the Fourth Proportional to 225,481.01, 338,229.68 and 75,726.18

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Solution

The fourth proportional to 225,481.01, 338,229.68 and 75,726.18 is: 113,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,481.01 : 338,229.68 = 75,726.18 : x
  2. Step 2: Convert to fraction form
    225,481.01/338,229.68 = 75,726.18/x
  3. Step 3: Cross multiply
    225,481.01x = 338,229.68 × 75,726.18
  4. Step 4: Simplify right side
    225,481.01x = 25,612,841,250.39
  5. Step 5: Solve for x
    x = 25,612,841,250.39/225,481.01
  6. Step 6: Final answer
    x = 113,592.01

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1.5x scale

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.