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Finding the Fourth Proportional to 241.70, 333.57 and 158.84

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Solution

The fourth proportional to 241.70, 333.57 and 158.84 is: 219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.70 : 333.57 = 158.84 : x
  2. Step 2: Convert to fraction form
    241.70/333.57 = 158.84/x
  3. Step 3: Cross multiply
    241.70x = 333.57 × 158.84
  4. Step 4: Simplify right side
    241.70x = 52,982.59
  5. Step 5: Solve for x
    x = 52,982.59/241.70
  6. Step 6: Final answer
    x = 219.21

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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.