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Finding the Fourth Proportional to 207,194.80, 310,792.20 and 74,079.40

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Solution

The fourth proportional to 207,194.80, 310,792.20 and 74,079.40 is: 111,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,194.80 : 310,792.20 = 74,079.40 : x
  2. Step 2: Convert to fraction form
    207,194.80/310,792.20 = 74,079.40/x
  3. Step 3: Cross multiply
    207,194.80x = 310,792.20 × 74,079.40
  4. Step 4: Simplify right side
    207,194.80x = 23,023,299,700.68
  5. Step 5: Solve for x
    x = 23,023,299,700.68/207,194.80
  6. Step 6: Final answer
    x = 111,119.10

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