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Finding the Fourth Proportional to 71,811.95, 107,767.15 and 25,064.83

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Solution

The fourth proportional to 71,811.95, 107,767.15 and 25,064.83 is: 37,614.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,811.95 : 107,767.15 = 25,064.83 : x
  2. Step 2: Convert to fraction form
    71,811.95/107,767.15 = 25,064.83/x
  3. Step 3: Cross multiply
    71,811.95x = 107,767.15 × 25,064.83
  4. Step 4: Simplify right side
    71,811.95x = 2,701,165,294.33
  5. Step 5: Solve for x
    x = 2,701,165,294.33/71,811.95
  6. Step 6: Final answer
    x = 37,614.43

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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.