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Finding the Fourth Proportional to 241.84, 333.76 and 157.92

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Solution

The fourth proportional to 241.84, 333.76 and 157.92 is: 217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.84 : 333.76 = 157.92 : x
  2. Step 2: Convert to fraction form
    241.84/333.76 = 157.92/x
  3. Step 3: Cross multiply
    241.84x = 333.76 × 157.92
  4. Step 4: Simplify right side
    241.84x = 52,707.38
  5. Step 5: Solve for x
    x = 52,707.38/241.84
  6. Step 6: Final answer
    x = 217.94

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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.