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Finding the Fourth Proportional to 173.95, 260.89 and 165.27

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Solution

The fourth proportional to 173.95, 260.89 and 165.27 is: 247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.95 : 260.89 = 165.27 : x
  2. Step 2: Convert to fraction form
    173.95/260.89 = 165.27/x
  3. Step 3: Cross multiply
    173.95x = 260.89 × 165.27
  4. Step 4: Simplify right side
    173.95x = 43,117.86
  5. Step 5: Solve for x
    x = 43,117.86/173.95
  6. Step 6: Final answer
    x = 247.88

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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.