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Finding the Fourth Proportional to 120,616.08, 166,470.12 and 66,918.39

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Solution

The fourth proportional to 120,616.08, 166,470.12 and 66,918.39 is: 92,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,616.08 : 166,470.12 = 66,918.39 : x
  2. Step 2: Convert to fraction form
    120,616.08/166,470.12 = 66,918.39/x
  3. Step 3: Cross multiply
    120,616.08x = 166,470.12 × 66,918.39
  4. Step 4: Simplify right side
    120,616.08x = 11,139,912,413.51
  5. Step 5: Solve for x
    x = 11,139,912,413.51/120,616.08
  6. Step 6: Final answer
    x = 92,358.44

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