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Finding the Fourth Proportional to 195.15, 292.64 and 92.26

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Solution

The fourth proportional to 195.15, 292.64 and 92.26 is: 138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.15 : 292.64 = 92.26 : x
  2. Step 2: Convert to fraction form
    195.15/292.64 = 92.26/x
  3. Step 3: Cross multiply
    195.15x = 292.64 × 92.26
  4. Step 4: Simplify right side
    195.15x = 26,998.97
  5. Step 5: Solve for x
    x = 26,998.97/195.15
  6. Step 6: Final answer
    x = 138.35

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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.