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Finding the Fourth Proportional to 196.12, 293.82 and 152.92

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Solution

The fourth proportional to 196.12, 293.82 and 152.92 is: 229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.12 : 293.82 = 152.92 : x
  2. Step 2: Convert to fraction form
    196.12/293.82 = 152.92/x
  3. Step 3: Cross multiply
    196.12x = 293.82 × 152.92
  4. Step 4: Simplify right side
    196.12x = 44,930.95
  5. Step 5: Solve for x
    x = 44,930.95/196.12
  6. Step 6: Final answer
    x = 229.10

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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.