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Finding the Fourth Proportional to 71,404.35, 106,993.87 and 26,363.77

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Solution

The fourth proportional to 71,404.35, 106,993.87 and 26,363.77 is: 39,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,404.35 : 106,993.87 = 26,363.77 : x
  2. Step 2: Convert to fraction form
    71,404.35/106,993.87 = 26,363.77/x
  3. Step 3: Cross multiply
    71,404.35x = 106,993.87 × 26,363.77
  4. Step 4: Simplify right side
    71,404.35x = 2,820,761,780.09
  5. Step 5: Solve for x
    x = 2,820,761,780.09/71,404.35
  6. Step 6: Final answer
    x = 39,504.06

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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.