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Finding the Fourth Proportional to 182.61, 272.68 and 162.09

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Solution

The fourth proportional to 182.61, 272.68 and 162.09 is: 242.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.61 : 272.68 = 162.09 : x
  2. Step 2: Convert to fraction form
    182.61/272.68 = 162.09/x
  3. Step 3: Cross multiply
    182.61x = 272.68 × 162.09
  4. Step 4: Simplify right side
    182.61x = 44,198.30
  5. Step 5: Solve for x
    x = 44,198.30/182.61
  6. Step 6: Final answer
    x = 242.04

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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.