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Finding the Fourth Proportional to 241.76, 362.48 and 111.76

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Solution

The fourth proportional to 241.76, 362.48 and 111.76 is: 167.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.76 : 362.48 = 111.76 : x
  2. Step 2: Convert to fraction form
    241.76/362.48 = 111.76/x
  3. Step 3: Cross multiply
    241.76x = 362.48 × 111.76
  4. Step 4: Simplify right side
    241.76x = 40,510.76
  5. Step 5: Solve for x
    x = 40,510.76/241.76
  6. Step 6: Final answer
    x = 167.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.