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Finding the Fourth Proportional to 197, 295.70 and 94.34

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Solution

The fourth proportional to 197, 295.70 and 94.34 is: 141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    197 : 295.70 = 94.34 : x
  2. Step 2: Convert to fraction form
    197/295.70 = 94.34/x
  3. Step 3: Cross multiply
    197x = 295.70 × 94.34
  4. Step 4: Simplify right side
    197x = 27,896.34
  5. Step 5: Solve for x
    x = 27,896.34/197
  6. Step 6: Final answer
    x = 141.61

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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.