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Finding the Fourth Proportional to 67,833.80, 101,750.70 and 54,711.80

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Solution

The fourth proportional to 67,833.80, 101,750.70 and 54,711.80 is: 82,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,833.80 : 101,750.70 = 54,711.80 : x
  2. Step 2: Convert to fraction form
    67,833.80/101,750.70 = 54,711.80/x
  3. Step 3: Cross multiply
    67,833.80x = 101,750.70 × 54,711.80
  4. Step 4: Simplify right side
    67,833.80x = 5,566,963,948.26
  5. Step 5: Solve for x
    x = 5,566,963,948.26/67,833.80
  6. Step 6: Final answer
    x = 82,067.70

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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.