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Finding the Fourth Proportional to 207,932.40, 311,898.60 and 186,159.60

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Solution

The fourth proportional to 207,932.40, 311,898.60 and 186,159.60 is: 279,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,932.40 : 311,898.60 = 186,159.60 : x
  2. Step 2: Convert to fraction form
    207,932.40/311,898.60 = 186,159.60/x
  3. Step 3: Cross multiply
    207,932.40x = 311,898.60 × 186,159.60
  4. Step 4: Simplify right side
    207,932.40x = 58,062,918,616.56
  5. Step 5: Solve for x
    x = 58,062,918,616.56/207,932.40
  6. Step 6: Final answer
    x = 279,239.40

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