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Finding the Fourth Proportional to 198, 273.24 and 184.32

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Solution

The fourth proportional to 198, 273.24 and 184.32 is: 254.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    198 : 273.24 = 184.32 : x
  2. Step 2: Convert to fraction form
    198/273.24 = 184.32/x
  3. Step 3: Cross multiply
    198x = 273.24 × 184.32
  4. Step 4: Simplify right side
    198x = 50,363.60
  5. Step 5: Solve for x
    x = 50,363.60/198
  6. Step 6: Final answer
    x = 254.36

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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.