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Finding the Fourth Proportional to 69,805.35, 104,768.55 and 36,548.73

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Solution

The fourth proportional to 69,805.35, 104,768.55 and 36,548.73 is: 54,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,805.35 : 104,768.55 = 36,548.73 : x
  2. Step 2: Convert to fraction form
    69,805.35/104,768.55 = 36,548.73/x
  3. Step 3: Cross multiply
    69,805.35x = 104,768.55 × 36,548.73
  4. Step 4: Simplify right side
    69,805.35x = 3,829,157,446.44
  5. Step 5: Solve for x
    x = 3,829,157,446.44/69,805.35
  6. Step 6: Final answer
    x = 54,854.78

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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.