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Finding the Fourth Proportional to 101,679.78, 152,519.70 and 27,807.78

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Solution

The fourth proportional to 101,679.78, 152,519.70 and 27,807.78 is: 41,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,679.78 : 152,519.70 = 27,807.78 : x
  2. Step 2: Convert to fraction form
    101,679.78/152,519.70 = 27,807.78/x
  3. Step 3: Cross multiply
    101,679.78x = 152,519.70 × 27,807.78
  4. Step 4: Simplify right side
    101,679.78x = 4,241,234,263.27
  5. Step 5: Solve for x
    x = 4,241,234,263.27/101,679.78
  6. Step 6: Final answer
    x = 41,711.68

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