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Finding the Fourth Proportional to 79,858.95, 110,240.78 and 51,578.43

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Solution

The fourth proportional to 79,858.95, 110,240.78 and 51,578.43 is: 71,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,858.95 : 110,240.78 = 51,578.43 : x
  2. Step 2: Convert to fraction form
    79,858.95/110,240.78 = 51,578.43/x
  3. Step 3: Cross multiply
    79,858.95x = 110,240.78 × 51,578.43
  4. Step 4: Simplify right side
    79,858.95x = 5,686,046,096.48
  5. Step 5: Solve for x
    x = 5,686,046,096.48/79,858.95
  6. Step 6: Final answer
    x = 71,201.11

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