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Finding the Fourth Proportional to 266.68, 367.95 and 179.34

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Solution

The fourth proportional to 266.68, 367.95 and 179.34 is: 247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.68 : 367.95 = 179.34 : x
  2. Step 2: Convert to fraction form
    266.68/367.95 = 179.34/x
  3. Step 3: Cross multiply
    266.68x = 367.95 × 179.34
  4. Step 4: Simplify right side
    266.68x = 65,988.15
  5. Step 5: Solve for x
    x = 65,988.15/266.68
  6. Step 6: Final answer
    x = 247.44

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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.