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Finding the Fourth Proportional to 241.47, 333.05 and 167.90

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Solution

The fourth proportional to 241.47, 333.05 and 167.90 is: 231.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.47 : 333.05 = 167.90 : x
  2. Step 2: Convert to fraction form
    241.47/333.05 = 167.90/x
  3. Step 3: Cross multiply
    241.47x = 333.05 × 167.90
  4. Step 4: Simplify right side
    241.47x = 55,916.59
  5. Step 5: Solve for x
    x = 55,916.59/241.47
  6. Step 6: Final answer
    x = 231.57

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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.