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Finding the Fourth Proportional to 225,876.42, 338,757.75 and 92,793.42

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Solution

The fourth proportional to 225,876.42, 338,757.75 and 92,793.42 is: 139,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,876.42 : 338,757.75 = 92,793.42 : x
  2. Step 2: Convert to fraction form
    225,876.42/338,757.75 = 92,793.42/x
  3. Step 3: Cross multiply
    225,876.42x = 338,757.75 × 92,793.42
  4. Step 4: Simplify right side
    225,876.42x = 31,434,490,174.01
  5. Step 5: Solve for x
    x = 31,434,490,174.01/225,876.42
  6. Step 6: Final answer
    x = 139,166.76

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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.