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Finding the Fourth Proportional to 109,479.36, 151,086.01 and 69,178.42

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Solution

The fourth proportional to 109,479.36, 151,086.01 and 69,178.42 is: 95,469.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,479.36 : 151,086.01 = 69,178.42 : x
  2. Step 2: Convert to fraction form
    109,479.36/151,086.01 = 69,178.42/x
  3. Step 3: Cross multiply
    109,479.36x = 151,086.01 × 69,178.42
  4. Step 4: Simplify right side
    109,479.36x = 10,451,891,601.53
  5. Step 5: Solve for x
    x = 10,451,891,601.53/109,479.36
  6. Step 6: Final answer
    x = 95,469.06

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