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Finding the Fourth Proportional to 184,108.56, 253,912.44 and 126,839.28

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Solution

The fourth proportional to 184,108.56, 253,912.44 and 126,839.28 is: 174,929.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,108.56 : 253,912.44 = 126,839.28 : x
  2. Step 2: Convert to fraction form
    184,108.56/253,912.44 = 126,839.28/x
  3. Step 3: Cross multiply
    184,108.56x = 253,912.44 × 126,839.28
  4. Step 4: Simplify right side
    184,108.56x = 32,206,071,072.64
  5. Step 5: Solve for x
    x = 32,206,071,072.64/184,108.56
  6. Step 6: Final answer
    x = 174,929.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.