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Finding the Fourth Proportional to 120,766.24, 166,656.66 and 66,319.12

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Solution

The fourth proportional to 120,766.24, 166,656.66 and 66,319.12 is: 91,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,766.24 : 166,656.66 = 66,319.12 : x
  2. Step 2: Convert to fraction form
    120,766.24/166,656.66 = 66,319.12/x
  3. Step 3: Cross multiply
    120,766.24x = 166,656.66 × 66,319.12
  4. Step 4: Simplify right side
    120,766.24x = 11,052,523,033.34
  5. Step 5: Solve for x
    x = 11,052,523,033.34/120,766.24
  6. Step 6: Final answer
    x = 91,519.97

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