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Finding the Fourth Proportional to 195.62, 293.33 and 84.34

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Solution

The fourth proportional to 195.62, 293.33 and 84.34 is: 126.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.62 : 293.33 = 84.34 : x
  2. Step 2: Convert to fraction form
    195.62/293.33 = 84.34/x
  3. Step 3: Cross multiply
    195.62x = 293.33 × 84.34
  4. Step 4: Simplify right side
    195.62x = 24,740.38
  5. Step 5: Solve for x
    x = 24,740.38/195.62
  6. Step 6: Final answer
    x = 126.47

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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.