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Finding the Fourth Proportional to 225,938.52, 338,910.21 and 68,168.34

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Solution

The fourth proportional to 225,938.52, 338,910.21 and 68,168.34 is: 102,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,938.52 : 338,910.21 = 68,168.34 : x
  2. Step 2: Convert to fraction form
    225,938.52/338,910.21 = 68,168.34/x
  3. Step 3: Cross multiply
    225,938.52x = 338,910.21 × 68,168.34
  4. Step 4: Simplify right side
    225,938.52x = 23,102,946,424.75
  5. Step 5: Solve for x
    x = 23,102,946,424.75/225,938.52
  6. Step 6: Final answer
    x = 102,253.24

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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.