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Finding the Fourth Proportional to 195.74, 293.66 and 74.03

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Solution

The fourth proportional to 195.74, 293.66 and 74.03 is: 111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.74 : 293.66 = 74.03 : x
  2. Step 2: Convert to fraction form
    195.74/293.66 = 74.03/x
  3. Step 3: Cross multiply
    195.74x = 293.66 × 74.03
  4. Step 4: Simplify right side
    195.74x = 21,737.81
  5. Step 5: Solve for x
    x = 21,737.81/195.74
  6. Step 6: Final answer
    x = 111.06

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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.