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Finding the Fourth Proportional to 273,620.43, 410,493.87 and 86,631.93

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Solution

The fourth proportional to 273,620.43, 410,493.87 and 86,631.93 is: 129,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,620.43 : 410,493.87 = 86,631.93 : x
  2. Step 2: Convert to fraction form
    273,620.43/410,493.87 = 86,631.93/x
  3. Step 3: Cross multiply
    273,620.43x = 410,493.87 × 86,631.93
  4. Step 4: Simplify right side
    273,620.43x = 35,561,876,211.27
  5. Step 5: Solve for x
    x = 35,561,876,211.27/273,620.43
  6. Step 6: Final answer
    x = 129,967.91

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