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Finding the Fourth Proportional to 62,493.21, 86,241.96 and 34,198.92

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Solution

The fourth proportional to 62,493.21, 86,241.96 and 34,198.92 is: 47,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,493.21 : 86,241.96 = 34,198.92 : x
  2. Step 2: Convert to fraction form
    62,493.21/86,241.96 = 34,198.92/x
  3. Step 3: Cross multiply
    62,493.21x = 86,241.96 × 34,198.92
  4. Step 4: Simplify right side
    62,493.21x = 2,949,381,890.68
  5. Step 5: Solve for x
    x = 2,949,381,890.68/62,493.21
  6. Step 6: Final answer
    x = 47,195.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.