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Finding the Fourth Proportional to 199.16, 298.44 and 134.08

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Solution

The fourth proportional to 199.16, 298.44 and 134.08 is: 200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.16 : 298.44 = 134.08 : x
  2. Step 2: Convert to fraction form
    199.16/298.44 = 134.08/x
  3. Step 3: Cross multiply
    199.16x = 298.44 × 134.08
  4. Step 4: Simplify right side
    199.16x = 40,014.84
  5. Step 5: Solve for x
    x = 40,014.84/199.16
  6. Step 6: Final answer
    x = 200.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.