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Finding the Fourth Proportional to 173.75, 259.60 and 167.69

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Solution

The fourth proportional to 173.75, 259.60 and 167.69 is: 250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.75 : 259.60 = 167.69 : x
  2. Step 2: Convert to fraction form
    173.75/259.60 = 167.69/x
  3. Step 3: Cross multiply
    173.75x = 259.60 × 167.69
  4. Step 4: Simplify right side
    173.75x = 43,532.38
  5. Step 5: Solve for x
    x = 43,532.38/173.75
  6. Step 6: Final answer
    x = 250.55

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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.