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Finding the Fourth Proportional to 195.84, 293.83 and 74.13

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Solution

The fourth proportional to 195.84, 293.83 and 74.13 is: 111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.84 : 293.83 = 74.13 : x
  2. Step 2: Convert to fraction form
    195.84/293.83 = 74.13/x
  3. Step 3: Cross multiply
    195.84x = 293.83 × 74.13
  4. Step 4: Simplify right side
    195.84x = 21,781.62
  5. Step 5: Solve for x
    x = 21,781.62/195.84
  6. Step 6: Final answer
    x = 111.22

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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.