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Finding the Fourth Proportional to 193,165.20, 289,747.80 and 123,181.20

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Solution

The fourth proportional to 193,165.20, 289,747.80 and 123,181.20 is: 184,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,165.20 : 289,747.80 = 123,181.20 : x
  2. Step 2: Convert to fraction form
    193,165.20/289,747.80 = 123,181.20/x
  3. Step 3: Cross multiply
    193,165.20x = 289,747.80 × 123,181.20
  4. Step 4: Simplify right side
    193,165.20x = 35,691,481,701.36
  5. Step 5: Solve for x
    x = 35,691,481,701.36/193,165.20
  6. Step 6: Final answer
    x = 184,771.80

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