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Finding the Fourth Proportional to 49,172.28, 73,758.36 and 12,236.28

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Solution

The fourth proportional to 49,172.28, 73,758.36 and 12,236.28 is: 18,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,172.28 : 73,758.36 = 12,236.28 : x
  2. Step 2: Convert to fraction form
    49,172.28/73,758.36 = 12,236.28/x
  3. Step 3: Cross multiply
    49,172.28x = 73,758.36 × 12,236.28
  4. Step 4: Simplify right side
    49,172.28x = 902,527,945.30
  5. Step 5: Solve for x
    x = 902,527,945.30/49,172.28
  6. Step 6: Final answer
    x = 18,354.41

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