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Finding the Fourth Proportional to 225,967.43, 311,236.44 and 168,422.33

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Solution

The fourth proportional to 225,967.43, 311,236.44 and 168,422.33 is: 231,976.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,967.43 : 311,236.44 = 168,422.33 : x
  2. Step 2: Convert to fraction form
    225,967.43/311,236.44 = 168,422.33/x
  3. Step 3: Cross multiply
    225,967.43x = 311,236.44 × 168,422.33
  4. Step 4: Simplify right side
    225,967.43x = 52,419,165,563.59
  5. Step 5: Solve for x
    x = 52,419,165,563.59/225,967.43
  6. Step 6: Final answer
    x = 231,976.65

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1.5x scale

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.