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Finding the Fourth Proportional to 265.72, 366.58 and 167.42

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Solution

The fourth proportional to 265.72, 366.58 and 167.42 is: 230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.72 : 366.58 = 167.42 : x
  2. Step 2: Convert to fraction form
    265.72/366.58 = 167.42/x
  3. Step 3: Cross multiply
    265.72x = 366.58 × 167.42
  4. Step 4: Simplify right side
    265.72x = 61,372.82
  5. Step 5: Solve for x
    x = 61,372.82/265.72
  6. Step 6: Final answer
    x = 230.97

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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.