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Finding the Fourth Proportional to 83,783.77, 125,765.18 and 33,896.47

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Solution

The fourth proportional to 83,783.77, 125,765.18 and 33,896.47 is: 50,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,783.77 : 125,765.18 = 33,896.47 : x
  2. Step 2: Convert to fraction form
    83,783.77/125,765.18 = 33,896.47/x
  3. Step 3: Cross multiply
    83,783.77x = 125,765.18 × 33,896.47
  4. Step 4: Simplify right side
    83,783.77x = 4,262,995,650.91
  5. Step 5: Solve for x
    x = 4,262,995,650.91/83,783.77
  6. Step 6: Final answer
    x = 50,880.92

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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.