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Finding the Fourth Proportional to 123,932.31, 171,029.12 and 67,347.33

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Solution

The fourth proportional to 123,932.31, 171,029.12 and 67,347.33 is: 92,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.31 : 171,029.12 = 67,347.33 : x
  2. Step 2: Convert to fraction form
    123,932.31/171,029.12 = 67,347.33/x
  3. Step 3: Cross multiply
    123,932.31x = 171,029.12 × 67,347.33
  4. Step 4: Simplify right side
    123,932.31x = 11,518,354,247.51
  5. Step 5: Solve for x
    x = 11,518,354,247.51/123,932.31
  6. Step 6: Final answer
    x = 92,940.69

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