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Finding the Fourth Proportional to 183.74, 273.39 and 183.12

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Solution

The fourth proportional to 183.74, 273.39 and 183.12 is: 272.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.74 : 273.39 = 183.12 : x
  2. Step 2: Convert to fraction form
    183.74/273.39 = 183.12/x
  3. Step 3: Cross multiply
    183.74x = 273.39 × 183.12
  4. Step 4: Simplify right side
    183.74x = 50,063.18
  5. Step 5: Solve for x
    x = 50,063.18/183.74
  6. Step 6: Final answer
    x = 272.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.