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Finding the Fourth Proportional to 196.01, 293.73 and 131.75

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Solution

The fourth proportional to 196.01, 293.73 and 131.75 is: 197.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.01 : 293.73 = 131.75 : x
  2. Step 2: Convert to fraction form
    196.01/293.73 = 131.75/x
  3. Step 3: Cross multiply
    196.01x = 293.73 × 131.75
  4. Step 4: Simplify right side
    196.01x = 38,698.93
  5. Step 5: Solve for x
    x = 38,698.93/196.01
  6. Step 6: Final answer
    x = 197.43

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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.