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Finding the Fourth Proportional to 266.22, 367.51 and 192.51

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Solution

The fourth proportional to 266.22, 367.51 and 192.51 is: 265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.22 : 367.51 = 192.51 : x
  2. Step 2: Convert to fraction form
    266.22/367.51 = 192.51/x
  3. Step 3: Cross multiply
    266.22x = 367.51 × 192.51
  4. Step 4: Simplify right side
    266.22x = 70,749.35
  5. Step 5: Solve for x
    x = 70,749.35/266.22
  6. Step 6: Final answer
    x = 265.76

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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.