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Finding the Fourth Proportional to 182.54, 251.74 and 133.72

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Solution

The fourth proportional to 182.54, 251.74 and 133.72 is: 184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.54 : 251.74 = 133.72 : x
  2. Step 2: Convert to fraction form
    182.54/251.74 = 133.72/x
  3. Step 3: Cross multiply
    182.54x = 251.74 × 133.72
  4. Step 4: Simplify right side
    182.54x = 33,662.67
  5. Step 5: Solve for x
    x = 33,662.67/182.54
  6. Step 6: Final answer
    x = 184.41

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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.