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Finding the Fourth Proportional to 89,466, 123,463.32 and 49,722

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Solution

The fourth proportional to 89,466, 123,463.32 and 49,722 is: 68,616.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,466 : 123,463.32 = 49,722 : x
  2. Step 2: Convert to fraction form
    89,466/123,463.32 = 49,722/x
  3. Step 3: Cross multiply
    89,466x = 123,463.32 × 49,722
  4. Step 4: Simplify right side
    89,466x = 6,138,843,197.04
  5. Step 5: Solve for x
    x = 6,138,843,197.04/89,466
  6. Step 6: Final answer
    x = 68,616.49

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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.