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Finding the Fourth Proportional to 307,062.28, 423,740.31 and 171,093.30

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Solution

The fourth proportional to 307,062.28, 423,740.31 and 171,093.30 is: 236,105.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,062.28 : 423,740.31 = 171,093.30 : x
  2. Step 2: Convert to fraction form
    307,062.28/423,740.31 = 171,093.30/x
  3. Step 3: Cross multiply
    307,062.28x = 423,740.31 × 171,093.30
  4. Step 4: Simplify right side
    307,062.28x = 72,499,127,417.65
  5. Step 5: Solve for x
    x = 72,499,127,417.65/307,062.28
  6. Step 6: Final answer
    x = 236,105.61

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