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Finding the Fourth Proportional to 221,450.59, 332,014.96 and 88,290.91

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Solution

The fourth proportional to 221,450.59, 332,014.96 and 88,290.91 is: 132,372.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,450.59 : 332,014.96 = 88,290.91 : x
  2. Step 2: Convert to fraction form
    221,450.59/332,014.96 = 88,290.91/x
  3. Step 3: Cross multiply
    221,450.59x = 332,014.96 × 88,290.91
  4. Step 4: Simplify right side
    221,450.59x = 29,313,902,952.01
  5. Step 5: Solve for x
    x = 29,313,902,952.01/221,450.59
  6. Step 6: Final answer
    x = 132,372.21

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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.