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Finding the Fourth Proportional to 174.89, 241.36 and 125.98

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Solution

The fourth proportional to 174.89, 241.36 and 125.98 is: 173.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.89 : 241.36 = 125.98 : x
  2. Step 2: Convert to fraction form
    174.89/241.36 = 125.98/x
  3. Step 3: Cross multiply
    174.89x = 241.36 × 125.98
  4. Step 4: Simplify right side
    174.89x = 30,405.61
  5. Step 5: Solve for x
    x = 30,405.61/174.89
  6. Step 6: Final answer
    x = 173.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.