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Finding the Fourth Proportional to 225,470.52, 338,257.62 and 67,701.96

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Solution

The fourth proportional to 225,470.52, 338,257.62 and 67,701.96 is: 101,568.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,470.52 : 338,257.62 = 67,701.96 : x
  2. Step 2: Convert to fraction form
    225,470.52/338,257.62 = 67,701.96/x
  3. Step 3: Cross multiply
    225,470.52x = 338,257.62 × 67,701.96
  4. Step 4: Simplify right side
    225,470.52x = 22,900,703,858.94
  5. Step 5: Solve for x
    x = 22,900,703,858.94/225,470.52
  6. Step 6: Final answer
    x = 101,568.51

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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.