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Finding the Fourth Proportional to 196.67, 295.02 and 52.39

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Solution

The fourth proportional to 196.67, 295.02 and 52.39 is: 78.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.67 : 295.02 = 52.39 : x
  2. Step 2: Convert to fraction form
    196.67/295.02 = 52.39/x
  3. Step 3: Cross multiply
    196.67x = 295.02 × 52.39
  4. Step 4: Simplify right side
    196.67x = 15,455.84
  5. Step 5: Solve for x
    x = 15,455.84/196.67
  6. Step 6: Final answer
    x = 78.59

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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.