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Finding the Fourth Proportional to 265.67, 366.61 and 149.24

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Solution

The fourth proportional to 265.67, 366.61 and 149.24 is: 205.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.67 : 366.61 = 149.24 : x
  2. Step 2: Convert to fraction form
    265.67/366.61 = 149.24/x
  3. Step 3: Cross multiply
    265.67x = 366.61 × 149.24
  4. Step 4: Simplify right side
    265.67x = 54,712.88
  5. Step 5: Solve for x
    x = 54,712.88/265.67
  6. Step 6: Final answer
    x = 205.94

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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.