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Finding the Fourth Proportional to 163,072.20, 244,608.30 and 136,828.20

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Solution

The fourth proportional to 163,072.20, 244,608.30 and 136,828.20 is: 205,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.20 : 244,608.30 = 136,828.20 : x
  2. Step 2: Convert to fraction form
    163,072.20/244,608.30 = 136,828.20/x
  3. Step 3: Cross multiply
    163,072.20x = 244,608.30 × 136,828.20
  4. Step 4: Simplify right side
    163,072.20x = 33,469,313,394.06
  5. Step 5: Solve for x
    x = 33,469,313,394.06/163,072.20
  6. Step 6: Final answer
    x = 205,242.30

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