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Finding the Fourth Proportional to 59,891.20, 89,836.80 and 32,243.20

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Solution

The fourth proportional to 59,891.20, 89,836.80 and 32,243.20 is: 48,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,891.20 : 89,836.80 = 32,243.20 : x
  2. Step 2: Convert to fraction form
    59,891.20/89,836.80 = 32,243.20/x
  3. Step 3: Cross multiply
    59,891.20x = 89,836.80 × 32,243.20
  4. Step 4: Simplify right side
    59,891.20x = 2,896,625,909.76
  5. Step 5: Solve for x
    x = 2,896,625,909.76/59,891.20
  6. Step 6: Final answer
    x = 48,364.80

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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.