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Finding the Fourth Proportional to 174.87, 261.97 and 164.88

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Solution

The fourth proportional to 174.87, 261.97 and 164.88 is: 247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.87 : 261.97 = 164.88 : x
  2. Step 2: Convert to fraction form
    174.87/261.97 = 164.88/x
  3. Step 3: Cross multiply
    174.87x = 261.97 × 164.88
  4. Step 4: Simplify right side
    174.87x = 43,193.20
  5. Step 5: Solve for x
    x = 43,193.20/174.87
  6. Step 6: Final answer
    x = 247.00

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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.