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Finding the Fourth Proportional to 271.05, 373.97 and 160.48

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Solution

The fourth proportional to 271.05, 373.97 and 160.48 is: 221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.05 : 373.97 = 160.48 : x
  2. Step 2: Convert to fraction form
    271.05/373.97 = 160.48/x
  3. Step 3: Cross multiply
    271.05x = 373.97 × 160.48
  4. Step 4: Simplify right side
    271.05x = 60,013.90
  5. Step 5: Solve for x
    x = 60,013.90/271.05
  6. Step 6: Final answer
    x = 221.42

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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.