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Finding the Fourth Proportional to 181,278.54, 250,158.78 and 100,703.97

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Solution

The fourth proportional to 181,278.54, 250,158.78 and 100,703.97 is: 138,968.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,278.54 : 250,158.78 = 100,703.97 : x
  2. Step 2: Convert to fraction form
    181,278.54/250,158.78 = 100,703.97/x
  3. Step 3: Cross multiply
    181,278.54x = 250,158.78 × 100,703.97
  4. Step 4: Simplify right side
    181,278.54x = 25,191,982,276.36
  5. Step 5: Solve for x
    x = 25,191,982,276.36/181,278.54
  6. Step 6: Final answer
    x = 138,968.36

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