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Finding the Fourth Proportional to 182.72, 274.03 and 52.73

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Solution

The fourth proportional to 182.72, 274.03 and 52.73 is: 79.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.72 : 274.03 = 52.73 : x
  2. Step 2: Convert to fraction form
    182.72/274.03 = 52.73/x
  3. Step 3: Cross multiply
    182.72x = 274.03 × 52.73
  4. Step 4: Simplify right side
    182.72x = 14,450.97
  5. Step 5: Solve for x
    x = 14,450.97/182.72
  6. Step 6: Final answer
    x = 79.09

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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.