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Finding the Fourth Proportional to 67,498.80, 101,248.20 and 54,376.80

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Solution

The fourth proportional to 67,498.80, 101,248.20 and 54,376.80 is: 81,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,498.80 : 101,248.20 = 54,376.80 : x
  2. Step 2: Convert to fraction form
    67,498.80/101,248.20 = 54,376.80/x
  3. Step 3: Cross multiply
    67,498.80x = 101,248.20 × 54,376.80
  4. Step 4: Simplify right side
    67,498.80x = 5,505,553,121.76
  5. Step 5: Solve for x
    x = 5,505,553,121.76/67,498.80
  6. Step 6: Final answer
    x = 81,565.20

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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.