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Finding the Fourth Proportional to 144,090.07, 198,843.80 and 80,427.31

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Solution

The fourth proportional to 144,090.07, 198,843.80 and 80,427.31 is: 110,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,090.07 : 198,843.80 = 80,427.31 : x
  2. Step 2: Convert to fraction form
    144,090.07/198,843.80 = 80,427.31/x
  3. Step 3: Cross multiply
    144,090.07x = 198,843.80 × 80,427.31
  4. Step 4: Simplify right side
    144,090.07x = 15,992,471,944.18
  5. Step 5: Solve for x
    x = 15,992,471,944.18/144,090.07
  6. Step 6: Final answer
    x = 110,989.41

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