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Finding the Fourth Proportional to 201,694.60, 302,541.90 and 131,192.20

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Solution

The fourth proportional to 201,694.60, 302,541.90 and 131,192.20 is: 196,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,694.60 : 302,541.90 = 131,192.20 : x
  2. Step 2: Convert to fraction form
    201,694.60/302,541.90 = 131,192.20/x
  3. Step 3: Cross multiply
    201,694.60x = 302,541.90 × 131,192.20
  4. Step 4: Simplify right side
    201,694.60x = 39,691,137,453.18
  5. Step 5: Solve for x
    x = 39,691,137,453.18/201,694.60
  6. Step 6: Final answer
    x = 196,788.30

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