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Finding the Fourth Proportional to 218,129.40, 327,194.10 and 112,980.60

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Solution

The fourth proportional to 218,129.40, 327,194.10 and 112,980.60 is: 169,470.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,129.40 : 327,194.10 = 112,980.60 : x
  2. Step 2: Convert to fraction form
    218,129.40/327,194.10 = 112,980.60/x
  3. Step 3: Cross multiply
    218,129.40x = 327,194.10 × 112,980.60
  4. Step 4: Simplify right side
    218,129.40x = 36,966,585,734.46
  5. Step 5: Solve for x
    x = 36,966,585,734.46/218,129.40
  6. Step 6: Final answer
    x = 169,470.90

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