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Finding the Fourth Proportional to 197, 295.62 and 83

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Solution

The fourth proportional to 197, 295.62 and 83 is: 124.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197 : 295.62 = 83 : x
  2. Step 2: Convert to fraction form
    197/295.62 = 83/x
  3. Step 3: Cross multiply
    197x = 295.62 × 83
  4. Step 4: Simplify right side
    197x = 24,536.46
  5. Step 5: Solve for x
    x = 24,536.46/197
  6. Step 6: Final answer
    x = 124.55

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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.