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Finding the Fourth Proportional to 67,290.80, 100,951.82 and 22,917.93

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Solution

The fourth proportional to 67,290.80, 100,951.82 and 22,917.93 is: 34,382.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,290.80 : 100,951.82 = 22,917.93 : x
  2. Step 2: Convert to fraction form
    67,290.80/100,951.82 = 22,917.93/x
  3. Step 3: Cross multiply
    67,290.80x = 100,951.82 × 22,917.93
  4. Step 4: Simplify right side
    67,290.80x = 2,313,606,629.54
  5. Step 5: Solve for x
    x = 2,313,606,629.54/67,290.80
  6. Step 6: Final answer
    x = 34,382.22

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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.