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Finding the Fourth Proportional to 167.55, 251.34 and 59.34

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Solution

The fourth proportional to 167.55, 251.34 and 59.34 is: 89.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.55 : 251.34 = 59.34 : x
  2. Step 2: Convert to fraction form
    167.55/251.34 = 59.34/x
  3. Step 3: Cross multiply
    167.55x = 251.34 × 59.34
  4. Step 4: Simplify right side
    167.55x = 14,914.52
  5. Step 5: Solve for x
    x = 14,914.52/167.55
  6. Step 6: Final answer
    x = 89.02

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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.