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Finding the Fourth Proportional to 123,443.98, 170,363.18 and 69,738.85

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Solution

The fourth proportional to 123,443.98, 170,363.18 and 69,738.85 is: 96,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,443.98 : 170,363.18 = 69,738.85 : x
  2. Step 2: Convert to fraction form
    123,443.98/170,363.18 = 69,738.85/x
  3. Step 3: Cross multiply
    123,443.98x = 170,363.18 × 69,738.85
  4. Step 4: Simplify right side
    123,443.98x = 11,880,932,255.54
  5. Step 5: Solve for x
    x = 11,880,932,255.54/123,443.98
  6. Step 6: Final answer
    x = 96,245.54

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