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Finding the Fourth Proportional to 71,625.90, 107,439.15 and 24,241.37

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Solution

The fourth proportional to 71,625.90, 107,439.15 and 24,241.37 is: 36,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,625.90 : 107,439.15 = 24,241.37 : x
  2. Step 2: Convert to fraction form
    71,625.90/107,439.15 = 24,241.37/x
  3. Step 3: Cross multiply
    71,625.90x = 107,439.15 × 24,241.37
  4. Step 4: Simplify right side
    71,625.90x = 2,604,471,650.44
  5. Step 5: Solve for x
    x = 2,604,471,650.44/71,625.90
  6. Step 6: Final answer
    x = 36,362.15

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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.