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Finding the Fourth Proportional to 131,087.80, 196,631.70 and 52,258.60

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Solution

The fourth proportional to 131,087.80, 196,631.70 and 52,258.60 is: 78,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,087.80 : 196,631.70 = 52,258.60 : x
  2. Step 2: Convert to fraction form
    131,087.80/196,631.70 = 52,258.60/x
  3. Step 3: Cross multiply
    131,087.80x = 196,631.70 × 52,258.60
  4. Step 4: Simplify right side
    131,087.80x = 10,275,697,357.62
  5. Step 5: Solve for x
    x = 10,275,697,357.62/131,087.80
  6. Step 6: Final answer
    x = 78,387.90

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