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Finding the Fourth Proportional to 207,403.28, 311,154.60 and 67,162.16

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Solution

The fourth proportional to 207,403.28, 311,154.60 and 67,162.16 is: 100,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,403.28 : 311,154.60 = 67,162.16 : x
  2. Step 2: Convert to fraction form
    207,403.28/311,154.60 = 67,162.16/x
  3. Step 3: Cross multiply
    207,403.28x = 311,154.60 × 67,162.16
  4. Step 4: Simplify right side
    207,403.28x = 20,897,815,029.94
  5. Step 5: Solve for x
    x = 20,897,815,029.94/207,403.28
  6. Step 6: Final answer
    x = 100,759.33

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