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Finding the Fourth Proportional to 195.72, 293.69 and 92.94

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Solution

The fourth proportional to 195.72, 293.69 and 92.94 is: 139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.72 : 293.69 = 92.94 : x
  2. Step 2: Convert to fraction form
    195.72/293.69 = 92.94/x
  3. Step 3: Cross multiply
    195.72x = 293.69 × 92.94
  4. Step 4: Simplify right side
    195.72x = 27,295.08
  5. Step 5: Solve for x
    x = 27,295.08/195.72
  6. Step 6: Final answer
    x = 139.46

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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.