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Finding the Fourth Proportional to 195.36, 293.09 and 73.62

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Solution

The fourth proportional to 195.36, 293.09 and 73.62 is: 110.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.36 : 293.09 = 73.62 : x
  2. Step 2: Convert to fraction form
    195.36/293.09 = 73.62/x
  3. Step 3: Cross multiply
    195.36x = 293.09 × 73.62
  4. Step 4: Simplify right side
    195.36x = 21,576.92
  5. Step 5: Solve for x
    x = 21,576.92/195.36
  6. Step 6: Final answer
    x = 110.45

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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.