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Finding the Fourth Proportional to 69,773.88, 104,663.22 and 27,661.92

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Solution

The fourth proportional to 69,773.88, 104,663.22 and 27,661.92 is: 41,493.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,773.88 : 104,663.22 = 27,661.92 : x
  2. Step 2: Convert to fraction form
    69,773.88/104,663.22 = 27,661.92/x
  3. Step 3: Cross multiply
    69,773.88x = 104,663.22 × 27,661.92
  4. Step 4: Simplify right side
    69,773.88x = 2,895,185,618.58
  5. Step 5: Solve for x
    x = 2,895,185,618.58/69,773.88
  6. Step 6: Final answer
    x = 41,493.83

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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.