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Finding the Fourth Proportional to 253,824.78, 350,233.78 and 144,879.37

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Solution

The fourth proportional to 253,824.78, 350,233.78 and 144,879.37 is: 199,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,824.78 : 350,233.78 = 144,879.37 : x
  2. Step 2: Convert to fraction form
    253,824.78/350,233.78 = 144,879.37/x
  3. Step 3: Cross multiply
    253,824.78x = 350,233.78 × 144,879.37
  4. Step 4: Simplify right side
    253,824.78x = 50,741,649,399.12
  5. Step 5: Solve for x
    x = 50,741,649,399.12/253,824.78
  6. Step 6: Final answer
    x = 199,908.18

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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.