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Finding the Fourth Proportional to 195.84, 293.84 and 67.60

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Solution

The fourth proportional to 195.84, 293.84 and 67.60 is: 101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.84 : 293.84 = 67.60 : x
  2. Step 2: Convert to fraction form
    195.84/293.84 = 67.60/x
  3. Step 3: Cross multiply
    195.84x = 293.84 × 67.60
  4. Step 4: Simplify right side
    195.84x = 19,863.58
  5. Step 5: Solve for x
    x = 19,863.58/195.84
  6. Step 6: Final answer
    x = 101.43

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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.