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Finding the Fourth Proportional to 225,278.01, 310,552.38 and 171,469.31

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Solution

The fourth proportional to 225,278.01, 310,552.38 and 171,469.31 is: 236,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,278.01 : 310,552.38 = 171,469.31 : x
  2. Step 2: Convert to fraction form
    225,278.01/310,552.38 = 171,469.31/x
  3. Step 3: Cross multiply
    225,278.01x = 310,552.38 × 171,469.31
  4. Step 4: Simplify right side
    225,278.01x = 53,250,200,764.70
  5. Step 5: Solve for x
    x = 53,250,200,764.70/225,278.01
  6. Step 6: Final answer
    x = 236,375.49

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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.