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Finding the Fourth Proportional to 69,199.92, 103,818.71 and 22,452.80

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Solution

The fourth proportional to 69,199.92, 103,818.71 and 22,452.80 is: 33,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,199.92 : 103,818.71 = 22,452.80 : x
  2. Step 2: Convert to fraction form
    69,199.92/103,818.71 = 22,452.80/x
  3. Step 3: Cross multiply
    69,199.92x = 103,818.71 × 22,452.80
  4. Step 4: Simplify right side
    69,199.92x = 2,331,020,268.93
  5. Step 5: Solve for x
    x = 2,331,020,268.93/69,199.92
  6. Step 6: Final answer
    x = 33,685.30

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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.