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Finding the Fourth Proportional to 80,199.78, 120,341.15 and 58,194.58

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Solution

The fourth proportional to 80,199.78, 120,341.15 and 58,194.58 is: 87,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,199.78 : 120,341.15 = 58,194.58 : x
  2. Step 2: Convert to fraction form
    80,199.78/120,341.15 = 58,194.58/x
  3. Step 3: Cross multiply
    80,199.78x = 120,341.15 × 58,194.58
  4. Step 4: Simplify right side
    80,199.78x = 7,003,202,680.97
  5. Step 5: Solve for x
    x = 7,003,202,680.97/80,199.78
  6. Step 6: Final answer
    x = 87,321.97

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