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Finding the Fourth Proportional to 196.98, 295.59 and 94.38

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Solution

The fourth proportional to 196.98, 295.59 and 94.38 is: 141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.98 : 295.59 = 94.38 : x
  2. Step 2: Convert to fraction form
    196.98/295.59 = 94.38/x
  3. Step 3: Cross multiply
    196.98x = 295.59 × 94.38
  4. Step 4: Simplify right side
    196.98x = 27,897.78
  5. Step 5: Solve for x
    x = 27,897.78/196.98
  6. Step 6: Final answer
    x = 141.63

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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.