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Finding the Fourth Proportional to 160,469.10, 240,790.05 and 71,736.30

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Solution

The fourth proportional to 160,469.10, 240,790.05 and 71,736.30 is: 107,643.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,469.10 : 240,790.05 = 71,736.30 : x
  2. Step 2: Convert to fraction form
    160,469.10/240,790.05 = 71,736.30/x
  3. Step 3: Cross multiply
    160,469.10x = 240,790.05 × 71,736.30
  4. Step 4: Simplify right side
    160,469.10x = 17,273,387,263.82
  5. Step 5: Solve for x
    x = 17,273,387,263.82/160,469.10
  6. Step 6: Final answer
    x = 107,643.07

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