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Finding the Fourth Proportional to 182.31, 272.03 and 160.44

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Solution

The fourth proportional to 182.31, 272.03 and 160.44 is: 239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.31 : 272.03 = 160.44 : x
  2. Step 2: Convert to fraction form
    182.31/272.03 = 160.44/x
  3. Step 3: Cross multiply
    182.31x = 272.03 × 160.44
  4. Step 4: Simplify right side
    182.31x = 43,644.49
  5. Step 5: Solve for x
    x = 43,644.49/182.31
  6. Step 6: Final answer
    x = 239.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.