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Finding the Fourth Proportional to 198.48, 296.16 and 184.53

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Solution

The fourth proportional to 198.48, 296.16 and 184.53 is: 275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198.48 : 296.16 = 184.53 : x
  2. Step 2: Convert to fraction form
    198.48/296.16 = 184.53/x
  3. Step 3: Cross multiply
    198.48x = 296.16 × 184.53
  4. Step 4: Simplify right side
    198.48x = 54,650.40
  5. Step 5: Solve for x
    x = 54,650.40/198.48
  6. Step 6: Final answer
    x = 275.34

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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.