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Finding the Fourth Proportional to 324,040.80, 486,152.73 and 110,854.83

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Solution

The fourth proportional to 324,040.80, 486,152.73 and 110,854.83 is: 166,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,040.80 : 486,152.73 = 110,854.83 : x
  2. Step 2: Convert to fraction form
    324,040.80/486,152.73 = 110,854.83/x
  3. Step 3: Cross multiply
    324,040.80x = 486,152.73 × 110,854.83
  4. Step 4: Simplify right side
    324,040.80x = 53,892,378,238.19
  5. Step 5: Solve for x
    x = 53,892,378,238.19/324,040.80
  6. Step 6: Final answer
    x = 166,313.56

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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.