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Finding the Fourth Proportional to 167,183.55, 251,169 and 136,215.63

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Solution

The fourth proportional to 167,183.55, 251,169 and 136,215.63 is: 204,644.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,183.55 : 251,169 = 136,215.63 : x
  2. Step 2: Convert to fraction form
    167,183.55/251,169 = 136,215.63/x
  3. Step 3: Cross multiply
    167,183.55x = 251,169 × 136,215.63
  4. Step 4: Simplify right side
    167,183.55x = 34,213,143,571.47
  5. Step 5: Solve for x
    x = 34,213,143,571.47/167,183.55
  6. Step 6: Final answer
    x = 204,644.20

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1.5x scale

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.