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Finding the Fourth Proportional to 79,380.39, 109,544.56 and 43,081.05

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Solution

The fourth proportional to 79,380.39, 109,544.56 and 43,081.05 is: 59,451.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,380.39 : 109,544.56 = 43,081.05 : x
  2. Step 2: Convert to fraction form
    79,380.39/109,544.56 = 43,081.05/x
  3. Step 3: Cross multiply
    79,380.39x = 109,544.56 × 43,081.05
  4. Step 4: Simplify right side
    79,380.39x = 4,719,294,666.59
  5. Step 5: Solve for x
    x = 4,719,294,666.59/79,380.39
  6. Step 6: Final answer
    x = 59,451.64

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