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Finding the Fourth Proportional to 111,224.39, 166,836.54 and 44,664.51

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Solution

The fourth proportional to 111,224.39, 166,836.54 and 44,664.51 is: 66,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,224.39 : 166,836.54 = 44,664.51 : x
  2. Step 2: Convert to fraction form
    111,224.39/166,836.54 = 44,664.51/x
  3. Step 3: Cross multiply
    111,224.39x = 166,836.54 × 44,664.51
  4. Step 4: Simplify right side
    111,224.39x = 7,451,672,309.20
  5. Step 5: Solve for x
    x = 7,451,672,309.20/111,224.39
  6. Step 6: Final answer
    x = 66,996.75

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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.