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Finding the Fourth Proportional to 265.74, 366.75 and 160.83

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Solution

The fourth proportional to 265.74, 366.75 and 160.83 is: 221.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.74 : 366.75 = 160.83 : x
  2. Step 2: Convert to fraction form
    265.74/366.75 = 160.83/x
  3. Step 3: Cross multiply
    265.74x = 366.75 × 160.83
  4. Step 4: Simplify right side
    265.74x = 58,983.30
  5. Step 5: Solve for x
    x = 58,983.30/265.74
  6. Step 6: Final answer
    x = 221.96

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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.