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Finding the Fourth Proportional to 173.41, 258.07 and 166.93

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Solution

The fourth proportional to 173.41, 258.07 and 166.93 is: 248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.41 : 258.07 = 166.93 : x
  2. Step 2: Convert to fraction form
    173.41/258.07 = 166.93/x
  3. Step 3: Cross multiply
    173.41x = 258.07 × 166.93
  4. Step 4: Simplify right side
    173.41x = 43,078.88
  5. Step 5: Solve for x
    x = 43,078.88/173.41
  6. Step 6: Final answer
    x = 248.43

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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.