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Finding the Fourth Proportional to 67,855.38, 101,679.27 and 36,269.93

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Solution

The fourth proportional to 67,855.38, 101,679.27 and 36,269.93 is: 54,349.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,855.38 : 101,679.27 = 36,269.93 : x
  2. Step 2: Convert to fraction form
    67,855.38/101,679.27 = 36,269.93/x
  3. Step 3: Cross multiply
    67,855.38x = 101,679.27 × 36,269.93
  4. Step 4: Simplify right side
    67,855.38x = 3,687,899,824.00
  5. Step 5: Solve for x
    x = 3,687,899,824.00/67,855.38
  6. Step 6: Final answer
    x = 54,349.41

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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.