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Finding the Fourth Proportional to 221,712.41, 332,651.24 and 133,029.56

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Solution

The fourth proportional to 221,712.41, 332,651.24 and 133,029.56 is: 199,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,712.41 : 332,651.24 = 133,029.56 : x
  2. Step 2: Convert to fraction form
    221,712.41/332,651.24 = 133,029.56/x
  3. Step 3: Cross multiply
    221,712.41x = 332,651.24 × 133,029.56
  4. Step 4: Simplify right side
    221,712.41x = 44,252,448,090.65
  5. Step 5: Solve for x
    x = 44,252,448,090.65/221,712.41
  6. Step 6: Final answer
    x = 199,593.92

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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.