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Finding the Fourth Proportional to 141,761.72, 195,630.72 and 78,098.96

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Solution

The fourth proportional to 141,761.72, 195,630.72 and 78,098.96 is: 107,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,761.72 : 195,630.72 = 78,098.96 : x
  2. Step 2: Convert to fraction form
    141,761.72/195,630.72 = 78,098.96/x
  3. Step 3: Cross multiply
    141,761.72x = 195,630.72 × 78,098.96
  4. Step 4: Simplify right side
    141,761.72x = 15,278,555,776.05
  5. Step 5: Solve for x
    x = 15,278,555,776.05/141,761.72
  6. Step 6: Final answer
    x = 107,776.31

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