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Finding the Fourth Proportional to 174.70, 262.14 and 123.67

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Solution

The fourth proportional to 174.70, 262.14 and 123.67 is: 185.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.70 : 262.14 = 123.67 : x
  2. Step 2: Convert to fraction form
    174.70/262.14 = 123.67/x
  3. Step 3: Cross multiply
    174.70x = 262.14 × 123.67
  4. Step 4: Simplify right side
    174.70x = 32,418.72
  5. Step 5: Solve for x
    x = 32,418.72/174.70
  6. Step 6: Final answer
    x = 185.57

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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.