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Finding the Fourth Proportional to 79,786.78, 110,105.20 and 43,976.82

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Solution

The fourth proportional to 79,786.78, 110,105.20 and 43,976.82 is: 60,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,786.78 : 110,105.20 = 43,976.82 : x
  2. Step 2: Convert to fraction form
    79,786.78/110,105.20 = 43,976.82/x
  3. Step 3: Cross multiply
    79,786.78x = 110,105.20 × 43,976.82
  4. Step 4: Simplify right side
    79,786.78x = 4,842,076,561.46
  5. Step 5: Solve for x
    x = 4,842,076,561.46/79,786.78
  6. Step 6: Final answer
    x = 60,687.70

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