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Finding the Fourth Proportional to 241.93, 333.57 and 157.96

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Solution

The fourth proportional to 241.93, 333.57 and 157.96 is: 217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.93 : 333.57 = 157.96 : x
  2. Step 2: Convert to fraction form
    241.93/333.57 = 157.96/x
  3. Step 3: Cross multiply
    241.93x = 333.57 × 157.96
  4. Step 4: Simplify right side
    241.93x = 52,689.88
  5. Step 5: Solve for x
    x = 52,689.88/241.93
  6. Step 6: Final answer
    x = 217.79

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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.