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Finding the Fourth Proportional to 272,350.80, 408,526.20 and 132,382.80

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Solution

The fourth proportional to 272,350.80, 408,526.20 and 132,382.80 is: 198,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,350.80 : 408,526.20 = 132,382.80 : x
  2. Step 2: Convert to fraction form
    272,350.80/408,526.20 = 132,382.80/x
  3. Step 3: Cross multiply
    272,350.80x = 408,526.20 × 132,382.80
  4. Step 4: Simplify right side
    272,350.80x = 54,081,842,229.36
  5. Step 5: Solve for x
    x = 54,081,842,229.36/272,350.80
  6. Step 6: Final answer
    x = 198,574.20

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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.