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Finding the Fourth Proportional to 225,432.52, 338,200.62 and 67,663.96

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Solution

The fourth proportional to 225,432.52, 338,200.62 and 67,663.96 is: 101,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,432.52 : 338,200.62 = 67,663.96 : x
  2. Step 2: Convert to fraction form
    225,432.52/338,200.62 = 67,663.96/x
  3. Step 3: Cross multiply
    225,432.52x = 338,200.62 × 67,663.96
  4. Step 4: Simplify right side
    225,432.52x = 22,883,993,223.66
  5. Step 5: Solve for x
    x = 22,883,993,223.66/225,432.52
  6. Step 6: Final answer
    x = 101,511.50

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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.