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Finding the Fourth Proportional to 265.70, 366.59 and 167.49

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Solution

The fourth proportional to 265.70, 366.59 and 167.49 is: 231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.70 : 366.59 = 167.49 : x
  2. Step 2: Convert to fraction form
    265.70/366.59 = 167.49/x
  3. Step 3: Cross multiply
    265.70x = 366.59 × 167.49
  4. Step 4: Simplify right side
    265.70x = 61,400.58
  5. Step 5: Solve for x
    x = 61,400.58/265.70
  6. Step 6: Final answer
    x = 231.09

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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.