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Finding the Fourth Proportional to 225,550.92, 338,195.03 and 85,320.48

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Solution

The fourth proportional to 225,550.92, 338,195.03 and 85,320.48 is: 127,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,550.92 : 338,195.03 = 85,320.48 : x
  2. Step 2: Convert to fraction form
    225,550.92/338,195.03 = 85,320.48/x
  3. Step 3: Cross multiply
    225,550.92x = 338,195.03 × 85,320.48
  4. Step 4: Simplify right side
    225,550.92x = 28,854,961,866.61
  5. Step 5: Solve for x
    x = 28,854,961,866.61/225,550.92
  6. Step 6: Final answer
    x = 127,931.03

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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.