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Finding the Fourth Proportional to 197.93, 273.05 and 182.13

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Solution

The fourth proportional to 197.93, 273.05 and 182.13 is: 251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.93 : 273.05 = 182.13 : x
  2. Step 2: Convert to fraction form
    197.93/273.05 = 182.13/x
  3. Step 3: Cross multiply
    197.93x = 273.05 × 182.13
  4. Step 4: Simplify right side
    197.93x = 49,730.60
  5. Step 5: Solve for x
    x = 49,730.60/197.93
  6. Step 6: Final answer
    x = 251.25

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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.