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Finding the Fourth Proportional to 199.44, 275.12 and 116.52

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Solution

The fourth proportional to 199.44, 275.12 and 116.52 is: 160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.44 : 275.12 = 116.52 : x
  2. Step 2: Convert to fraction form
    199.44/275.12 = 116.52/x
  3. Step 3: Cross multiply
    199.44x = 275.12 × 116.52
  4. Step 4: Simplify right side
    199.44x = 32,056.98
  5. Step 5: Solve for x
    x = 32,056.98/199.44
  6. Step 6: Final answer
    x = 160.73

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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.