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Finding the Fourth Proportional to 111,061, 166,608.84 and 36,163.48

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Solution

The fourth proportional to 111,061, 166,608.84 and 36,163.48 is: 54,250.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,061 : 166,608.84 = 36,163.48 : x
  2. Step 2: Convert to fraction form
    111,061/166,608.84 = 36,163.48/x
  3. Step 3: Cross multiply
    111,061x = 166,608.84 × 36,163.48
  4. Step 4: Simplify right side
    111,061x = 6,025,155,453.16
  5. Step 5: Solve for x
    x = 6,025,155,453.16/111,061
  6. Step 6: Final answer
    x = 54,250.87

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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.