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Finding the Fourth Proportional to 69,414.80, 104,096.60 and 22,669.20

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Solution

The fourth proportional to 69,414.80, 104,096.60 and 22,669.20 is: 33,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,414.80 : 104,096.60 = 22,669.20 : x
  2. Step 2: Convert to fraction form
    69,414.80/104,096.60 = 22,669.20/x
  3. Step 3: Cross multiply
    69,414.80x = 104,096.60 × 22,669.20
  4. Step 4: Simplify right side
    69,414.80x = 2,359,786,644.72
  5. Step 5: Solve for x
    x = 2,359,786,644.72/69,414.80
  6. Step 6: Final answer
    x = 33,995.44

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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.