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Finding the Fourth Proportional to 546.17, 819.26 and 161.39

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Solution

The fourth proportional to 546.17, 819.26 and 161.39 is: 242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    546.17 : 819.26 = 161.39 : x
  2. Step 2: Convert to fraction form
    546.17/819.26 = 161.39/x
  3. Step 3: Cross multiply
    546.17x = 819.26 × 161.39
  4. Step 4: Simplify right side
    546.17x = 132,220.37
  5. Step 5: Solve for x
    x = 132,220.37/546.17
  6. Step 6: Final answer
    x = 242.09

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