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Finding the Fourth Proportional to 81,479.82, 122,178.06 and 34,082.10

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Solution

The fourth proportional to 81,479.82, 122,178.06 and 34,082.10 is: 51,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,479.82 : 122,178.06 = 34,082.10 : x
  2. Step 2: Convert to fraction form
    81,479.82/122,178.06 = 34,082.10/x
  3. Step 3: Cross multiply
    81,479.82x = 122,178.06 × 34,082.10
  4. Step 4: Simplify right side
    81,479.82x = 4,164,084,858.73
  5. Step 5: Solve for x
    x = 4,164,084,858.73/81,479.82
  6. Step 6: Final answer
    x = 51,105.72

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