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Finding the Fourth Proportional to 87,832.69, 131,490.65 and 54,445.57

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Solution

The fourth proportional to 87,832.69, 131,490.65 and 54,445.57 is: 81,508.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,832.69 : 131,490.65 = 54,445.57 : x
  2. Step 2: Convert to fraction form
    87,832.69/131,490.65 = 54,445.57/x
  3. Step 3: Cross multiply
    87,832.69x = 131,490.65 × 54,445.57
  4. Step 4: Simplify right side
    87,832.69x = 7,159,083,116.69
  5. Step 5: Solve for x
    x = 7,159,083,116.69/87,832.69
  6. Step 6: Final answer
    x = 81,508.18

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