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Finding the Fourth Proportional to 129,715.11, 179,021.97 and 75,998.97

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Solution

The fourth proportional to 129,715.11, 179,021.97 and 75,998.97 is: 104,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,715.11 : 179,021.97 = 75,998.97 : x
  2. Step 2: Convert to fraction form
    129,715.11/179,021.97 = 75,998.97/x
  3. Step 3: Cross multiply
    129,715.11x = 179,021.97 × 75,998.97
  4. Step 4: Simplify right side
    129,715.11x = 13,605,485,327.37
  5. Step 5: Solve for x
    x = 13,605,485,327.37/129,715.11
  6. Step 6: Final answer
    x = 104,887.44

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