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Finding the Fourth Proportional to 123,223.92, 170,048.96 and 66,635.30

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Solution

The fourth proportional to 123,223.92, 170,048.96 and 66,635.30 is: 91,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,223.92 : 170,048.96 = 66,635.30 : x
  2. Step 2: Convert to fraction form
    123,223.92/170,048.96 = 66,635.30/x
  3. Step 3: Cross multiply
    123,223.92x = 170,048.96 × 66,635.30
  4. Step 4: Simplify right side
    123,223.92x = 11,331,262,280.87
  5. Step 5: Solve for x
    x = 11,331,262,280.87/123,223.92
  6. Step 6: Final answer
    x = 91,956.68

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