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Finding the Fourth Proportional to 69,114.33, 103,609.78 and 26,984.61

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Solution

The fourth proportional to 69,114.33, 103,609.78 and 26,984.61 is: 40,452.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.33 : 103,609.78 = 26,984.61 : x
  2. Step 2: Convert to fraction form
    69,114.33/103,609.78 = 26,984.61/x
  3. Step 3: Cross multiply
    69,114.33x = 103,609.78 × 26,984.61
  4. Step 4: Simplify right side
    69,114.33x = 2,795,869,505.49
  5. Step 5: Solve for x
    x = 2,795,869,505.49/69,114.33
  6. Step 6: Final answer
    x = 40,452.82

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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.