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Finding the Fourth Proportional to 278,568.46, 417,910.47 and 126,693.19

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Solution

The fourth proportional to 278,568.46, 417,910.47 and 126,693.19 is: 190,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,568.46 : 417,910.47 = 126,693.19 : x
  2. Step 2: Convert to fraction form
    278,568.46/417,910.47 = 126,693.19/x
  3. Step 3: Cross multiply
    278,568.46x = 417,910.47 × 126,693.19
  4. Step 4: Simplify right side
    278,568.46x = 52,946,410,578.70
  5. Step 5: Solve for x
    x = 52,946,410,578.70/278,568.46
  6. Step 6: Final answer
    x = 190,066.06

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