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Finding the Fourth Proportional to 123,074.67, 168,735.42 and 120,832.76

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Solution

The fourth proportional to 123,074.67, 168,735.42 and 120,832.76 is: 165,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,074.67 : 168,735.42 = 120,832.76 : x
  2. Step 2: Convert to fraction form
    123,074.67/168,735.42 = 120,832.76/x
  3. Step 3: Cross multiply
    123,074.67x = 168,735.42 × 120,832.76
  4. Step 4: Simplify right side
    123,074.67x = 20,388,766,930.20
  5. Step 5: Solve for x
    x = 20,388,766,930.20/123,074.67
  6. Step 6: Final answer
    x = 165,661.77

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