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Finding the Fourth Proportional to 265.82, 366.85 and 160.93

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Solution

The fourth proportional to 265.82, 366.85 and 160.93 is: 222.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.82 : 366.85 = 160.93 : x
  2. Step 2: Convert to fraction form
    265.82/366.85 = 160.93/x
  3. Step 3: Cross multiply
    265.82x = 366.85 × 160.93
  4. Step 4: Simplify right side
    265.82x = 59,036.85
  5. Step 5: Solve for x
    x = 59,036.85/265.82
  6. Step 6: Final answer
    x = 222.09

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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.