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Finding the Fourth Proportional to 48,606, 67,105.44 and 31,868.16

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Solution

The fourth proportional to 48,606, 67,105.44 and 31,868.16 is: 43,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,606 : 67,105.44 = 31,868.16 : x
  2. Step 2: Convert to fraction form
    48,606/67,105.44 = 31,868.16/x
  3. Step 3: Cross multiply
    48,606x = 67,105.44 × 31,868.16
  4. Step 4: Simplify right side
    48,606x = 2,138,526,898.79
  5. Step 5: Solve for x
    x = 2,138,526,898.79/48,606
  6. Step 6: Final answer
    x = 43,997.18

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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.