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Finding the Fourth Proportional to 83,800.97, 125,645.97 and 33,166.46

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Solution

The fourth proportional to 83,800.97, 125,645.97 and 33,166.46 is: 49,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,800.97 : 125,645.97 = 33,166.46 : x
  2. Step 2: Convert to fraction form
    83,800.97/125,645.97 = 33,166.46/x
  3. Step 3: Cross multiply
    83,800.97x = 125,645.97 × 33,166.46
  4. Step 4: Simplify right side
    83,800.97x = 4,167,231,409.94
  5. Step 5: Solve for x
    x = 4,167,231,409.94/83,800.97
  6. Step 6: Final answer
    x = 49,727.72

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1.5x scale

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.