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Finding the Fourth Proportional to 68,755.27, 94,881.90 and 41,892.16

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Solution

The fourth proportional to 68,755.27, 94,881.90 and 41,892.16 is: 57,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,755.27 : 94,881.90 = 41,892.16 : x
  2. Step 2: Convert to fraction form
    68,755.27/94,881.90 = 41,892.16/x
  3. Step 3: Cross multiply
    68,755.27x = 94,881.90 × 41,892.16
  4. Step 4: Simplify right side
    68,755.27x = 3,974,807,735.90
  5. Step 5: Solve for x
    x = 3,974,807,735.90/68,755.27
  6. Step 6: Final answer
    x = 57,810.95

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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.