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Finding the Fourth Proportional to 196.70, 294.87 and 94.03

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Solution

The fourth proportional to 196.70, 294.87 and 94.03 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.70 : 294.87 = 94.03 : x
  2. Step 2: Convert to fraction form
    196.70/294.87 = 94.03/x
  3. Step 3: Cross multiply
    196.70x = 294.87 × 94.03
  4. Step 4: Simplify right side
    196.70x = 27,727.36
  5. Step 5: Solve for x
    x = 27,727.36/196.70
  6. Step 6: Final answer
    x = 140.96

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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.