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Finding the Fourth Proportional to 173.01, 257.73 and 168.24

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Solution

The fourth proportional to 173.01, 257.73 and 168.24 is: 250.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.01 : 257.73 = 168.24 : x
  2. Step 2: Convert to fraction form
    173.01/257.73 = 168.24/x
  3. Step 3: Cross multiply
    173.01x = 257.73 × 168.24
  4. Step 4: Simplify right side
    173.01x = 43,360.50
  5. Step 5: Solve for x
    x = 43,360.50/173.01
  6. Step 6: Final answer
    x = 250.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.