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Finding the Fourth Proportional to 195.84, 293.69 and 74.07

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Solution

The fourth proportional to 195.84, 293.69 and 74.07 is: 111.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.84 : 293.69 = 74.07 : x
  2. Step 2: Convert to fraction form
    195.84/293.69 = 74.07/x
  3. Step 3: Cross multiply
    195.84x = 293.69 × 74.07
  4. Step 4: Simplify right side
    195.84x = 21,753.80
  5. Step 5: Solve for x
    x = 21,753.80/195.84
  6. Step 6: Final answer
    x = 111.08

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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.