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Finding the Fourth Proportional to 54,248.60, 81,420.90 and 32,034.20

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Solution

The fourth proportional to 54,248.60, 81,420.90 and 32,034.20 is: 48,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.60 : 81,420.90 = 32,034.20 : x
  2. Step 2: Convert to fraction form
    54,248.60/81,420.90 = 32,034.20/x
  3. Step 3: Cross multiply
    54,248.60x = 81,420.90 × 32,034.20
  4. Step 4: Simplify right side
    54,248.60x = 2,608,253,394.78
  5. Step 5: Solve for x
    x = 2,608,253,394.78/54,248.60
  6. Step 6: Final answer
    x = 48,079.64

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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.