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Finding the Fourth Proportional to 71,193.41, 98,247.36 and 39,363.44

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Solution

The fourth proportional to 71,193.41, 98,247.36 and 39,363.44 is: 54,321.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.41 : 98,247.36 = 39,363.44 : x
  2. Step 2: Convert to fraction form
    71,193.41/98,247.36 = 39,363.44/x
  3. Step 3: Cross multiply
    71,193.41x = 98,247.36 × 39,363.44
  4. Step 4: Simplify right side
    71,193.41x = 3,867,354,060.52
  5. Step 5: Solve for x
    x = 3,867,354,060.52/71,193.41
  6. Step 6: Final answer
    x = 54,321.80

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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.