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Finding the Fourth Proportional to 158,627.81, 218,912.51 and 87,010.85

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Solution

The fourth proportional to 158,627.81, 218,912.51 and 87,010.85 is: 120,078.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,627.81 : 218,912.51 = 87,010.85 : x
  2. Step 2: Convert to fraction form
    158,627.81/218,912.51 = 87,010.85/x
  3. Step 3: Cross multiply
    158,627.81x = 218,912.51 × 87,010.85
  4. Step 4: Simplify right side
    158,627.81x = 19,047,763,135.68
  5. Step 5: Solve for x
    x = 19,047,763,135.68/158,627.81
  6. Step 6: Final answer
    x = 120,078.33

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