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Finding the Fourth Proportional to 173.49, 260.37 and 122.34

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Solution

The fourth proportional to 173.49, 260.37 and 122.34 is: 183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.49 : 260.37 = 122.34 : x
  2. Step 2: Convert to fraction form
    173.49/260.37 = 122.34/x
  3. Step 3: Cross multiply
    173.49x = 260.37 × 122.34
  4. Step 4: Simplify right side
    173.49x = 31,853.67
  5. Step 5: Solve for x
    x = 31,853.67/173.49
  6. Step 6: Final answer
    x = 183.61

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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.