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Finding the Fourth Proportional to 225,953.41, 311,805.27 and 123,976.33

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Solution

The fourth proportional to 225,953.41, 311,805.27 and 123,976.33 is: 171,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,953.41 : 311,805.27 = 123,976.33 : x
  2. Step 2: Convert to fraction form
    225,953.41/311,805.27 = 123,976.33/x
  3. Step 3: Cross multiply
    225,953.41x = 311,805.27 × 123,976.33
  4. Step 4: Simplify right side
    225,953.41x = 38,656,473,049.26
  5. Step 5: Solve for x
    x = 38,656,473,049.26/225,953.41
  6. Step 6: Final answer
    x = 171,081.61

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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.