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Finding the Fourth Proportional to 247,882.98, 371,833.29 and 79,381.41

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Solution

The fourth proportional to 247,882.98, 371,833.29 and 79,381.41 is: 119,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,882.98 : 371,833.29 = 79,381.41 : x
  2. Step 2: Convert to fraction form
    247,882.98/371,833.29 = 79,381.41/x
  3. Step 3: Cross multiply
    247,882.98x = 371,833.29 × 79,381.41
  4. Step 4: Simplify right side
    247,882.98x = 29,516,650,845.14
  5. Step 5: Solve for x
    x = 29,516,650,845.14/247,882.98
  6. Step 6: Final answer
    x = 119,074.94

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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.