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Finding the Fourth Proportional to 173.03, 259.52 and 112.59

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Solution

The fourth proportional to 173.03, 259.52 and 112.59 is: 168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.03 : 259.52 = 112.59 : x
  2. Step 2: Convert to fraction form
    173.03/259.52 = 112.59/x
  3. Step 3: Cross multiply
    173.03x = 259.52 × 112.59
  4. Step 4: Simplify right side
    173.03x = 29,219.36
  5. Step 5: Solve for x
    x = 29,219.36/173.03
  6. Step 6: Final answer
    x = 168.87

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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.