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Finding the Fourth Proportional to 199.68, 298.08 and 184.44

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Solution

The fourth proportional to 199.68, 298.08 and 184.44 is: 275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.68 : 298.08 = 184.44 : x
  2. Step 2: Convert to fraction form
    199.68/298.08 = 184.44/x
  3. Step 3: Cross multiply
    199.68x = 298.08 × 184.44
  4. Step 4: Simplify right side
    199.68x = 54,977.88
  5. Step 5: Solve for x
    x = 54,977.88/199.68
  6. Step 6: Final answer
    x = 275.33

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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.