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Finding the Fourth Proportional to 234,472.08, 323,556.12 and 149,580

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Solution

The fourth proportional to 234,472.08, 323,556.12 and 149,580 is: 206,410.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,472.08 : 323,556.12 = 149,580 : x
  2. Step 2: Convert to fraction form
    234,472.08/323,556.12 = 149,580/x
  3. Step 3: Cross multiply
    234,472.08x = 323,556.12 × 149,580
  4. Step 4: Simplify right side
    234,472.08x = 48,397,524,429.60
  5. Step 5: Solve for x
    x = 48,397,524,429.60/234,472.08
  6. Step 6: Final answer
    x = 206,410.61

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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.