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Finding the Fourth Proportional to 221,838.20, 332,319.90 and 132,827.30

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Solution

The fourth proportional to 221,838.20, 332,319.90 and 132,827.30 is: 198,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,838.20 : 332,319.90 = 132,827.30 : x
  2. Step 2: Convert to fraction form
    221,838.20/332,319.90 = 132,827.30/x
  3. Step 3: Cross multiply
    221,838.20x = 332,319.90 × 132,827.30
  4. Step 4: Simplify right side
    221,838.20x = 44,141,155,053.27
  5. Step 5: Solve for x
    x = 44,141,155,053.27/221,838.20
  6. Step 6: Final answer
    x = 198,979.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.