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Finding the Fourth Proportional to 182.66, 274.03 and 67.11

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Solution

The fourth proportional to 182.66, 274.03 and 67.11 is: 100.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.66 : 274.03 = 67.11 : x
  2. Step 2: Convert to fraction form
    182.66/274.03 = 67.11/x
  3. Step 3: Cross multiply
    182.66x = 274.03 × 67.11
  4. Step 4: Simplify right side
    182.66x = 18,390.15
  5. Step 5: Solve for x
    x = 18,390.15/182.66
  6. Step 6: Final answer
    x = 100.68

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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.