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Finding the Fourth Proportional to 255,955.12, 383,932.72 and 131,216.56

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Solution

The fourth proportional to 255,955.12, 383,932.72 and 131,216.56 is: 196,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,955.12 : 383,932.72 = 131,216.56 : x
  2. Step 2: Convert to fraction form
    255,955.12/383,932.72 = 131,216.56/x
  3. Step 3: Cross multiply
    255,955.12x = 383,932.72 × 131,216.56
  4. Step 4: Simplify right side
    255,955.12x = 50,378,330,789.84
  5. Step 5: Solve for x
    x = 50,378,330,789.84/255,955.12
  6. Step 6: Final answer
    x = 196,824.86

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