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Finding the Fourth Proportional to 265.76, 366.67 and 149.32

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Solution

The fourth proportional to 265.76, 366.67 and 149.32 is: 206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.76 : 366.67 = 149.32 : x
  2. Step 2: Convert to fraction form
    265.76/366.67 = 149.32/x
  3. Step 3: Cross multiply
    265.76x = 366.67 × 149.32
  4. Step 4: Simplify right side
    265.76x = 54,751.16
  5. Step 5: Solve for x
    x = 54,751.16/265.76
  6. Step 6: Final answer
    x = 206.02

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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.