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Finding the Fourth Proportional to 67,752.13, 101,591.54 and 53,801.91

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Solution

The fourth proportional to 67,752.13, 101,591.54 and 53,801.91 is: 80,673.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,752.13 : 101,591.54 = 53,801.91 : x
  2. Step 2: Convert to fraction form
    67,752.13/101,591.54 = 53,801.91/x
  3. Step 3: Cross multiply
    67,752.13x = 101,591.54 × 53,801.91
  4. Step 4: Simplify right side
    67,752.13x = 5,465,818,891.84
  5. Step 5: Solve for x
    x = 5,465,818,891.84/67,752.13
  6. Step 6: Final answer
    x = 80,673.76

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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.