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Finding the Fourth Proportional to 123,755.68, 170,782.50 and 67,167.28

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Solution

The fourth proportional to 123,755.68, 170,782.50 and 67,167.28 is: 92,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,755.68 : 170,782.50 = 67,167.28 : x
  2. Step 2: Convert to fraction form
    123,755.68/170,782.50 = 67,167.28/x
  3. Step 3: Cross multiply
    123,755.68x = 170,782.50 × 67,167.28
  4. Step 4: Simplify right side
    123,755.68x = 11,470,995,996.60
  5. Step 5: Solve for x
    x = 11,470,995,996.60/123,755.68
  6. Step 6: Final answer
    x = 92,690.66

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