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Finding the Fourth Proportional to 266.07, 366.99 and 167.73

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Solution

The fourth proportional to 266.07, 366.99 and 167.73 is: 231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.07 : 366.99 = 167.73 : x
  2. Step 2: Convert to fraction form
    266.07/366.99 = 167.73/x
  3. Step 3: Cross multiply
    266.07x = 366.99 × 167.73
  4. Step 4: Simplify right side
    266.07x = 61,555.23
  5. Step 5: Solve for x
    x = 61,555.23/266.07
  6. Step 6: Final answer
    x = 231.35

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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.