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Finding the Fourth Proportional to 241.89, 333.98 and 168.18

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Solution

The fourth proportional to 241.89, 333.98 and 168.18 is: 232.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.89 : 333.98 = 168.18 : x
  2. Step 2: Convert to fraction form
    241.89/333.98 = 168.18/x
  3. Step 3: Cross multiply
    241.89x = 333.98 × 168.18
  4. Step 4: Simplify right side
    241.89x = 56,168.76
  5. Step 5: Solve for x
    x = 56,168.76/241.89
  6. Step 6: Final answer
    x = 232.21

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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.