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Finding the Fourth Proportional to 119,917.44, 179,843.36 and 45,031.83

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Solution

The fourth proportional to 119,917.44, 179,843.36 and 45,031.83 is: 67,535.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.44 : 179,843.36 = 45,031.83 : x
  2. Step 2: Convert to fraction form
    119,917.44/179,843.36 = 45,031.83/x
  3. Step 3: Cross multiply
    119,917.44x = 179,843.36 × 45,031.83
  4. Step 4: Simplify right side
    119,917.44x = 8,098,675,388.99
  5. Step 5: Solve for x
    x = 8,098,675,388.99/119,917.44
  6. Step 6: Final answer
    x = 67,535.43

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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.