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Finding the Fourth Proportional to 196.24, 294.06 and 100.12

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Solution

The fourth proportional to 196.24, 294.06 and 100.12 is: 150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.24 : 294.06 = 100.12 : x
  2. Step 2: Convert to fraction form
    196.24/294.06 = 100.12/x
  3. Step 3: Cross multiply
    196.24x = 294.06 × 100.12
  4. Step 4: Simplify right side
    196.24x = 29,441.29
  5. Step 5: Solve for x
    x = 29,441.29/196.24
  6. Step 6: Final answer
    x = 150.03

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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.