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Finding the Fourth Proportional to 248.05, 371.80 and 161.44

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Solution

The fourth proportional to 248.05, 371.80 and 161.44 is: 241.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.05 : 371.80 = 161.44 : x
  2. Step 2: Convert to fraction form
    248.05/371.80 = 161.44/x
  3. Step 3: Cross multiply
    248.05x = 371.80 × 161.44
  4. Step 4: Simplify right side
    248.05x = 60,024.76
  5. Step 5: Solve for x
    x = 60,024.76/248.05
  6. Step 6: Final answer
    x = 241.99

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