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Finding the Fourth Proportional to 271.93, 375.25 and 161.41

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Solution

The fourth proportional to 271.93, 375.25 and 161.41 is: 222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.93 : 375.25 = 161.41 : x
  2. Step 2: Convert to fraction form
    271.93/375.25 = 161.41/x
  3. Step 3: Cross multiply
    271.93x = 375.25 × 161.41
  4. Step 4: Simplify right side
    271.93x = 60,569.10
  5. Step 5: Solve for x
    x = 60,569.10/271.93
  6. Step 6: Final answer
    x = 222.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.