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Finding the Fourth Proportional to 173.34, 260.04 and 112.53

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Solution

The fourth proportional to 173.34, 260.04 and 112.53 is: 168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.34 : 260.04 = 112.53 : x
  2. Step 2: Convert to fraction form
    173.34/260.04 = 112.53/x
  3. Step 3: Cross multiply
    173.34x = 260.04 × 112.53
  4. Step 4: Simplify right side
    173.34x = 29,262.30
  5. Step 5: Solve for x
    x = 29,262.30/173.34
  6. Step 6: Final answer
    x = 168.81

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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.