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Finding the Fourth Proportional to 199.44, 276.52 and 190.93

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Solution

The fourth proportional to 199.44, 276.52 and 190.93 is: 264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.44 : 276.52 = 190.93 : x
  2. Step 2: Convert to fraction form
    199.44/276.52 = 190.93/x
  3. Step 3: Cross multiply
    199.44x = 276.52 × 190.93
  4. Step 4: Simplify right side
    199.44x = 52,795.96
  5. Step 5: Solve for x
    x = 52,795.96/199.44
  6. Step 6: Final answer
    x = 264.72

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.