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Finding the Fourth Proportional to 221,480.60, 332,059.92 and 88,320.92

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Solution

The fourth proportional to 221,480.60, 332,059.92 and 88,320.92 is: 132,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,480.60 : 332,059.92 = 88,320.92 : x
  2. Step 2: Convert to fraction form
    221,480.60/332,059.92 = 88,320.92/x
  3. Step 3: Cross multiply
    221,480.60x = 332,059.92 × 88,320.92
  4. Step 4: Simplify right side
    221,480.60x = 29,327,837,629.53
  5. Step 5: Solve for x
    x = 29,327,837,629.53/221,480.60
  6. Step 6: Final answer
    x = 132,417.19

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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.