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Finding the Fourth Proportional to 131,452.80, 197,179.20 and 130,286.40

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Solution

The fourth proportional to 131,452.80, 197,179.20 and 130,286.40 is: 195,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,452.80 : 197,179.20 = 130,286.40 : x
  2. Step 2: Convert to fraction form
    131,452.80/197,179.20 = 130,286.40/x
  3. Step 3: Cross multiply
    131,452.80x = 197,179.20 × 130,286.40
  4. Step 4: Simplify right side
    131,452.80x = 25,689,768,122.88
  5. Step 5: Solve for x
    x = 25,689,768,122.88/131,452.80
  6. Step 6: Final answer
    x = 195,429.60

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