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Finding the Fourth Proportional to 300,789.75, 415,089.87 and 179,936.13

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Solution

The fourth proportional to 300,789.75, 415,089.87 and 179,936.13 is: 248,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,789.75 : 415,089.87 = 179,936.13 : x
  2. Step 2: Convert to fraction form
    300,789.75/415,089.87 = 179,936.13/x
  3. Step 3: Cross multiply
    300,789.75x = 415,089.87 × 179,936.13
  4. Step 4: Simplify right side
    300,789.75x = 74,689,664,810.00
  5. Step 5: Solve for x
    x = 74,689,664,810.00/300,789.75
  6. Step 6: Final answer
    x = 248,311.87

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