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Finding the Fourth Proportional to 182.72, 252.04 and 133.60

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Solution

The fourth proportional to 182.72, 252.04 and 133.60 is: 184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.72 : 252.04 = 133.60 : x
  2. Step 2: Convert to fraction form
    182.72/252.04 = 133.60/x
  3. Step 3: Cross multiply
    182.72x = 252.04 × 133.60
  4. Step 4: Simplify right side
    182.72x = 33,672.54
  5. Step 5: Solve for x
    x = 33,672.54/182.72
  6. Step 6: Final answer
    x = 184.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.