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Finding the Fourth Proportional to 195.32, 268.74 and 190.52

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Solution

The fourth proportional to 195.32, 268.74 and 190.52 is: 262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.32 : 268.74 = 190.52 : x
  2. Step 2: Convert to fraction form
    195.32/268.74 = 190.52/x
  3. Step 3: Cross multiply
    195.32x = 268.74 × 190.52
  4. Step 4: Simplify right side
    195.32x = 51,200.34
  5. Step 5: Solve for x
    x = 51,200.34/195.32
  6. Step 6: Final answer
    x = 262.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.