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Finding the Fourth Proportional to 271,821.20, 407,796.60 and 131,464.40

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Solution

The fourth proportional to 271,821.20, 407,796.60 and 131,464.40 is: 197,227.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,821.20 : 407,796.60 = 131,464.40 : x
  2. Step 2: Convert to fraction form
    271,821.20/407,796.60 = 131,464.40/x
  3. Step 3: Cross multiply
    271,821.20x = 407,796.60 × 131,464.40
  4. Step 4: Simplify right side
    271,821.20x = 53,610,735,341.04
  5. Step 5: Solve for x
    x = 53,610,735,341.04/271,821.20
  6. Step 6: Final answer
    x = 197,227.94

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