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Finding the Fourth Proportional to 48,687.20, 73,059.60 and 32,095.20

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Solution

The fourth proportional to 48,687.20, 73,059.60 and 32,095.20 is: 48,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.20 : 73,059.60 = 32,095.20 : x
  2. Step 2: Convert to fraction form
    48,687.20/73,059.60 = 32,095.20/x
  3. Step 3: Cross multiply
    48,687.20x = 73,059.60 × 32,095.20
  4. Step 4: Simplify right side
    48,687.20x = 2,344,862,473.92
  5. Step 5: Solve for x
    x = 2,344,862,473.92/48,687.20
  6. Step 6: Final answer
    x = 48,161.79

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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.