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Finding the Fourth Proportional to 83,081.89, 114,652.42 and 45,356.14

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Solution

The fourth proportional to 83,081.89, 114,652.42 and 45,356.14 is: 62,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,081.89 : 114,652.42 = 45,356.14 : x
  2. Step 2: Convert to fraction form
    83,081.89/114,652.42 = 45,356.14/x
  3. Step 3: Cross multiply
    83,081.89x = 114,652.42 × 45,356.14
  4. Step 4: Simplify right side
    83,081.89x = 5,200,191,212.86
  5. Step 5: Solve for x
    x = 5,200,191,212.86/83,081.89
  6. Step 6: Final answer
    x = 62,591.15

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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.