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Finding the Fourth Proportional to 196.95, 295.20 and 94.35

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Solution

The fourth proportional to 196.95, 295.20 and 94.35 is: 141.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.95 : 295.20 = 94.35 : x
  2. Step 2: Convert to fraction form
    196.95/295.20 = 94.35/x
  3. Step 3: Cross multiply
    196.95x = 295.20 × 94.35
  4. Step 4: Simplify right side
    196.95x = 27,852.12
  5. Step 5: Solve for x
    x = 27,852.12/196.95
  6. Step 6: Final answer
    x = 141.42

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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.