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Finding the Fourth Proportional to 79,513.78, 109,729.05 and 43,703.50

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Solution

The fourth proportional to 79,513.78, 109,729.05 and 43,703.50 is: 60,310.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,513.78 : 109,729.05 = 43,703.50 : x
  2. Step 2: Convert to fraction form
    79,513.78/109,729.05 = 43,703.50/x
  3. Step 3: Cross multiply
    79,513.78x = 109,729.05 × 43,703.50
  4. Step 4: Simplify right side
    79,513.78x = 4,795,543,536.68
  5. Step 5: Solve for x
    x = 4,795,543,536.68/79,513.78
  6. Step 6: Final answer
    x = 60,310.85

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