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Finding the Fourth Proportional to 279,467.92, 419,326.46 and 101,933.43

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Solution

The fourth proportional to 279,467.92, 419,326.46 and 101,933.43 is: 152,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,467.92 : 419,326.46 = 101,933.43 : x
  2. Step 2: Convert to fraction form
    279,467.92/419,326.46 = 101,933.43/x
  3. Step 3: Cross multiply
    279,467.92x = 419,326.46 × 101,933.43
  4. Step 4: Simplify right side
    279,467.92x = 42,743,384,357.56
  5. Step 5: Solve for x
    x = 42,743,384,357.56/279,467.92
  6. Step 6: Final answer
    x = 152,945.58

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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.