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Finding the Fourth Proportional to 271.37, 374.46 and 160.82

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Solution

The fourth proportional to 271.37, 374.46 and 160.82 is: 221.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.37 : 374.46 = 160.82 : x
  2. Step 2: Convert to fraction form
    271.37/374.46 = 160.82/x
  3. Step 3: Cross multiply
    271.37x = 374.46 × 160.82
  4. Step 4: Simplify right side
    271.37x = 60,222.26
  5. Step 5: Solve for x
    x = 60,222.26/271.37
  6. Step 6: Final answer
    x = 221.92

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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.