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Finding the Fourth Proportional to 266.51, 367.82 and 183.66

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Solution

The fourth proportional to 266.51, 367.82 and 183.66 is: 253.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.51 : 367.82 = 183.66 : x
  2. Step 2: Convert to fraction form
    266.51/367.82 = 183.66/x
  3. Step 3: Cross multiply
    266.51x = 367.82 × 183.66
  4. Step 4: Simplify right side
    266.51x = 67,553.82
  5. Step 5: Solve for x
    x = 67,553.82/266.51
  6. Step 6: Final answer
    x = 253.48

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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.