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Finding the Fourth Proportional to 266.76, 368.25 and 179.48

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Solution

The fourth proportional to 266.76, 368.25 and 179.48 is: 247.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266.76 : 368.25 = 179.48 : x
  2. Step 2: Convert to fraction form
    266.76/368.25 = 179.48/x
  3. Step 3: Cross multiply
    266.76x = 368.25 × 179.48
  4. Step 4: Simplify right side
    266.76x = 66,093.76
  5. Step 5: Solve for x
    x = 66,093.76/266.76
  6. Step 6: Final answer
    x = 247.76

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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.