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Finding the Fourth Proportional to 195.64, 293.87 and 165.27

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Solution

The fourth proportional to 195.64, 293.87 and 165.27 is: 248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195.64 : 293.87 = 165.27 : x
  2. Step 2: Convert to fraction form
    195.64/293.87 = 165.27/x
  3. Step 3: Cross multiply
    195.64x = 293.87 × 165.27
  4. Step 4: Simplify right side
    195.64x = 48,567.89
  5. Step 5: Solve for x
    x = 48,567.89/195.64
  6. Step 6: Final answer
    x = 248.25

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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.