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Finding the Fourth Proportional to 196.56, 294.44 and 160.38

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Solution

The fourth proportional to 196.56, 294.44 and 160.38 is: 240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.56 : 294.44 = 160.38 : x
  2. Step 2: Convert to fraction form
    196.56/294.44 = 160.38/x
  3. Step 3: Cross multiply
    196.56x = 294.44 × 160.38
  4. Step 4: Simplify right side
    196.56x = 47,221.49
  5. Step 5: Solve for x
    x = 47,221.49/196.56
  6. Step 6: Final answer
    x = 240.24

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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.