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Finding the Fourth Proportional to 72,892.56, 100,591.29 and 41,071.71

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Solution

The fourth proportional to 72,892.56, 100,591.29 and 41,071.71 is: 56,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,892.56 : 100,591.29 = 41,071.71 : x
  2. Step 2: Convert to fraction form
    72,892.56/100,591.29 = 41,071.71/x
  3. Step 3: Cross multiply
    72,892.56x = 100,591.29 × 41,071.71
  4. Step 4: Simplify right side
    72,892.56x = 4,131,456,218.31
  5. Step 5: Solve for x
    x = 4,131,456,218.31/72,892.56
  6. Step 6: Final answer
    x = 56,678.71

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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.