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Finding the Fourth Proportional to 108,350.41, 162,418.98 and 63,314.61

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Solution

The fourth proportional to 108,350.41, 162,418.98 and 63,314.61 is: 94,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,350.41 : 162,418.98 = 63,314.61 : x
  2. Step 2: Convert to fraction form
    108,350.41/162,418.98 = 63,314.61/x
  3. Step 3: Cross multiply
    108,350.41x = 162,418.98 × 63,314.61
  4. Step 4: Simplify right side
    108,350.41x = 10,283,494,375.30
  5. Step 5: Solve for x
    x = 10,283,494,375.30/108,350.41
  6. Step 6: Final answer
    x = 94,909.60

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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.