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Finding the Fourth Proportional to 207,474.80, 311,212.20 and 157,708.40

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Solution

The fourth proportional to 207,474.80, 311,212.20 and 157,708.40 is: 236,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,474.80 : 311,212.20 = 157,708.40 : x
  2. Step 2: Convert to fraction form
    207,474.80/311,212.20 = 157,708.40/x
  3. Step 3: Cross multiply
    207,474.80x = 311,212.20 × 157,708.40
  4. Step 4: Simplify right side
    207,474.80x = 49,080,778,122.48
  5. Step 5: Solve for x
    x = 49,080,778,122.48/207,474.80
  6. Step 6: Final answer
    x = 236,562.60

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