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Finding the Fourth Proportional to 87,873.78, 131,785.02 and 50,427.48

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Solution

The fourth proportional to 87,873.78, 131,785.02 and 50,427.48 is: 75,626.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,873.78 : 131,785.02 = 50,427.48 : x
  2. Step 2: Convert to fraction form
    87,873.78/131,785.02 = 50,427.48/x
  3. Step 3: Cross multiply
    87,873.78x = 131,785.02 × 50,427.48
  4. Step 4: Simplify right side
    87,873.78x = 6,645,586,460.35
  5. Step 5: Solve for x
    x = 6,645,586,460.35/87,873.78
  6. Step 6: Final answer
    x = 75,626.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.