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Finding the Fourth Proportional to 71,244.57, 106,872.39 and 23,859.84

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Solution

The fourth proportional to 71,244.57, 106,872.39 and 23,859.84 is: 35,791.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.57 : 106,872.39 = 23,859.84 : x
  2. Step 2: Convert to fraction form
    71,244.57/106,872.39 = 23,859.84/x
  3. Step 3: Cross multiply
    71,244.57x = 106,872.39 × 23,859.84
  4. Step 4: Simplify right side
    71,244.57x = 2,549,958,125.82
  5. Step 5: Solve for x
    x = 2,549,958,125.82/71,244.57
  6. Step 6: Final answer
    x = 35,791.61

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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.