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Finding the Fourth Proportional to 195.32, 292.74 and 113.99

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Solution

The fourth proportional to 195.32, 292.74 and 113.99 is: 170.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.32 : 292.74 = 113.99 : x
  2. Step 2: Convert to fraction form
    195.32/292.74 = 113.99/x
  3. Step 3: Cross multiply
    195.32x = 292.74 × 113.99
  4. Step 4: Simplify right side
    195.32x = 33,369.51
  5. Step 5: Solve for x
    x = 33,369.51/195.32
  6. Step 6: Final answer
    x = 170.85

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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.