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Finding the Fourth Proportional to 324,074.31, 486,187.07 and 110,843.88

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Solution

The fourth proportional to 324,074.31, 486,187.07 and 110,843.88 is: 166,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,074.31 : 486,187.07 = 110,843.88 : x
  2. Step 2: Convert to fraction form
    324,074.31/486,187.07 = 110,843.88/x
  3. Step 3: Cross multiply
    324,074.31x = 486,187.07 × 110,843.88
  4. Step 4: Simplify right side
    324,074.31x = 53,890,861,244.63
  5. Step 5: Solve for x
    x = 53,890,861,244.63/324,074.31
  6. Step 6: Final answer
    x = 166,291.68

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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.