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Finding the Fourth Proportional to 225,910.17, 338,649.26 and 83,717.37

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Solution

The fourth proportional to 225,910.17, 338,649.26 and 83,717.37 is: 125,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,910.17 : 338,649.26 = 83,717.37 : x
  2. Step 2: Convert to fraction form
    225,910.17/338,649.26 = 83,717.37/x
  3. Step 3: Cross multiply
    225,910.17x = 338,649.26 × 83,717.37
  4. Step 4: Simplify right side
    225,910.17x = 28,350,824,981.06
  5. Step 5: Solve for x
    x = 28,350,824,981.06/225,910.17
  6. Step 6: Final answer
    x = 125,496.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.