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Finding the Fourth Proportional to 67,357.71, 101,044.13 and 54,983.07

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Solution

The fourth proportional to 67,357.71, 101,044.13 and 54,983.07 is: 82,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,357.71 : 101,044.13 = 54,983.07 : x
  2. Step 2: Convert to fraction form
    67,357.71/101,044.13 = 54,983.07/x
  3. Step 3: Cross multiply
    67,357.71x = 101,044.13 × 54,983.07
  4. Step 4: Simplify right side
    67,357.71x = 5,555,716,197.96
  5. Step 5: Solve for x
    x = 5,555,716,197.96/67,357.71
  6. Step 6: Final answer
    x = 82,480.78

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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.