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Finding the Fourth Proportional to 182.67, 274.47 and 117.71

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Solution

The fourth proportional to 182.67, 274.47 and 117.71 is: 176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.67 : 274.47 = 117.71 : x
  2. Step 2: Convert to fraction form
    182.67/274.47 = 117.71/x
  3. Step 3: Cross multiply
    182.67x = 274.47 × 117.71
  4. Step 4: Simplify right side
    182.67x = 32,305.90
  5. Step 5: Solve for x
    x = 32,305.90/182.67
  6. Step 6: Final answer
    x = 176.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.