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Finding the Fourth Proportional to 111,086.56, 166,598 and 36,213.26

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Solution

The fourth proportional to 111,086.56, 166,598 and 36,213.26 is: 54,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,086.56 : 166,598 = 36,213.26 : x
  2. Step 2: Convert to fraction form
    111,086.56/166,598 = 36,213.26/x
  3. Step 3: Cross multiply
    111,086.56x = 166,598 × 36,213.26
  4. Step 4: Simplify right side
    111,086.56x = 6,033,056,689.48
  5. Step 5: Solve for x
    x = 6,033,056,689.48/111,086.56
  6. Step 6: Final answer
    x = 54,309.51

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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.