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Finding the Fourth Proportional to 197.68, 295.82 and 159.06

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Solution

The fourth proportional to 197.68, 295.82 and 159.06 is: 238.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.68 : 295.82 = 159.06 : x
  2. Step 2: Convert to fraction form
    197.68/295.82 = 159.06/x
  3. Step 3: Cross multiply
    197.68x = 295.82 × 159.06
  4. Step 4: Simplify right side
    197.68x = 47,053.13
  5. Step 5: Solve for x
    x = 47,053.13/197.68
  6. Step 6: Final answer
    x = 238.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.