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Finding the Fourth Proportional to 78,960.82, 108,965.98 and 43,150.83

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Solution

The fourth proportional to 78,960.82, 108,965.98 and 43,150.83 is: 59,548.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,960.82 : 108,965.98 = 43,150.83 : x
  2. Step 2: Convert to fraction form
    78,960.82/108,965.98 = 43,150.83/x
  3. Step 3: Cross multiply
    78,960.82x = 108,965.98 × 43,150.83
  4. Step 4: Simplify right side
    78,960.82x = 4,701,972,676.33
  5. Step 5: Solve for x
    x = 4,701,972,676.33/78,960.82
  6. Step 6: Final answer
    x = 59,548.18

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