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Finding the Fourth Proportional to 120,798.73, 166,707.28 and 67,084.19

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Solution

The fourth proportional to 120,798.73, 166,707.28 and 67,084.19 is: 92,578.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,798.73 : 166,707.28 = 67,084.19 : x
  2. Step 2: Convert to fraction form
    120,798.73/166,707.28 = 67,084.19/x
  3. Step 3: Cross multiply
    120,798.73x = 166,707.28 × 67,084.19
  4. Step 4: Simplify right side
    120,798.73x = 11,183,422,845.90
  5. Step 5: Solve for x
    x = 11,183,422,845.90/120,798.73
  6. Step 6: Final answer
    x = 92,578.98

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