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Finding the Fourth Proportional to 221,451.59, 332,016.46 and 88,291.91

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Solution

The fourth proportional to 221,451.59, 332,016.46 and 88,291.91 is: 132,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,451.59 : 332,016.46 = 88,291.91 : x
  2. Step 2: Convert to fraction form
    221,451.59/332,016.46 = 88,291.91/x
  3. Step 3: Cross multiply
    221,451.59x = 332,016.46 × 88,291.91
  4. Step 4: Simplify right side
    221,451.59x = 29,314,367,404.84
  5. Step 5: Solve for x
    x = 29,314,367,404.84/221,451.59
  6. Step 6: Final answer
    x = 132,373.70

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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.