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Finding the Fourth Proportional to 79,115.19, 109,179.09 and 43,307.46

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Solution

The fourth proportional to 79,115.19, 109,179.09 and 43,307.46 is: 59,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,115.19 : 109,179.09 = 43,307.46 : x
  2. Step 2: Convert to fraction form
    79,115.19/109,179.09 = 43,307.46/x
  3. Step 3: Cross multiply
    79,115.19x = 109,179.09 × 43,307.46
  4. Step 4: Simplify right side
    79,115.19x = 4,728,269,073.01
  5. Step 5: Solve for x
    x = 4,728,269,073.01/79,115.19
  6. Step 6: Final answer
    x = 59,764.36

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