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Finding the Fourth Proportional to 271.18, 374.07 and 167.50

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Solution

The fourth proportional to 271.18, 374.07 and 167.50 is: 231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.18 : 374.07 = 167.50 : x
  2. Step 2: Convert to fraction form
    271.18/374.07 = 167.50/x
  3. Step 3: Cross multiply
    271.18x = 374.07 × 167.50
  4. Step 4: Simplify right side
    271.18x = 62,656.73
  5. Step 5: Solve for x
    x = 62,656.73/271.18
  6. Step 6: Final answer
    x = 231.05

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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.