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Finding the Fourth Proportional to 198,084.56, 297,214.32 and 79,986.56

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Solution

The fourth proportional to 198,084.56, 297,214.32 and 79,986.56 is: 120,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,084.56 : 297,214.32 = 79,986.56 : x
  2. Step 2: Convert to fraction form
    198,084.56/297,214.32 = 79,986.56/x
  3. Step 3: Cross multiply
    198,084.56x = 297,214.32 × 79,986.56
  4. Step 4: Simplify right side
    198,084.56x = 23,773,151,039.54
  5. Step 5: Solve for x
    x = 23,773,151,039.54/198,084.56
  6. Step 6: Final answer
    x = 120,015.16

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