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Finding the Fourth Proportional to 182.48, 273.71 and 74.27

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Solution

The fourth proportional to 182.48, 273.71 and 74.27 is: 111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.48 : 273.71 = 74.27 : x
  2. Step 2: Convert to fraction form
    182.48/273.71 = 74.27/x
  3. Step 3: Cross multiply
    182.48x = 273.71 × 74.27
  4. Step 4: Simplify right side
    182.48x = 20,328.44
  5. Step 5: Solve for x
    x = 20,328.44/182.48
  6. Step 6: Final answer
    x = 111.40

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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.