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Finding the Fourth Proportional to 67,441.53, 101,131.11 and 39,369.77

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Solution

The fourth proportional to 67,441.53, 101,131.11 and 39,369.77 is: 59,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,441.53 : 101,131.11 = 39,369.77 : x
  2. Step 2: Convert to fraction form
    67,441.53/101,131.11 = 39,369.77/x
  3. Step 3: Cross multiply
    67,441.53x = 101,131.11 × 39,369.77
  4. Step 4: Simplify right side
    67,441.53x = 3,981,508,034.89
  5. Step 5: Solve for x
    x = 3,981,508,034.89/67,441.53
  6. Step 6: Final answer
    x = 59,036.44

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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.