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Finding the Fourth Proportional to 89,753.88, 123,855.31 and 49,467.52

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Solution

The fourth proportional to 89,753.88, 123,855.31 and 49,467.52 is: 68,262.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.88 : 123,855.31 = 49,467.52 : x
  2. Step 2: Convert to fraction form
    89,753.88/123,855.31 = 49,467.52/x
  3. Step 3: Cross multiply
    89,753.88x = 123,855.31 × 49,467.52
  4. Step 4: Simplify right side
    89,753.88x = 6,126,815,024.53
  5. Step 5: Solve for x
    x = 6,126,815,024.53/89,753.88
  6. Step 6: Final answer
    x = 68,262.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.