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Finding the Fourth Proportional to 83,958.92, 125,890.38 and 34,063.24

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Solution

The fourth proportional to 83,958.92, 125,890.38 and 34,063.24 is: 51,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.92 : 125,890.38 = 34,063.24 : x
  2. Step 2: Convert to fraction form
    83,958.92/125,890.38 = 34,063.24/x
  3. Step 3: Cross multiply
    83,958.92x = 125,890.38 × 34,063.24
  4. Step 4: Simplify right side
    83,958.92x = 4,288,234,227.63
  5. Step 5: Solve for x
    x = 4,288,234,227.63/83,958.92
  6. Step 6: Final answer
    x = 51,075.39

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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.