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Finding the Fourth Proportional to 182.62, 273.90 and 67.06

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Solution

The fourth proportional to 182.62, 273.90 and 67.06 is: 100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.62 : 273.90 = 67.06 : x
  2. Step 2: Convert to fraction form
    182.62/273.90 = 67.06/x
  3. Step 3: Cross multiply
    182.62x = 273.90 × 67.06
  4. Step 4: Simplify right side
    182.62x = 18,366.41
  5. Step 5: Solve for x
    x = 18,366.41/182.62
  6. Step 6: Final answer
    x = 100.57

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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.