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Finding the Fourth Proportional to 79,866.97, 119,811.26 and 27,262.33

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Solution

The fourth proportional to 79,866.97, 119,811.26 and 27,262.33 is: 40,897.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,866.97 : 119,811.26 = 27,262.33 : x
  2. Step 2: Convert to fraction form
    79,866.97/119,811.26 = 27,262.33/x
  3. Step 3: Cross multiply
    79,866.97x = 119,811.26 × 27,262.33
  4. Step 4: Simplify right side
    79,866.97x = 3,266,334,107.84
  5. Step 5: Solve for x
    x = 3,266,334,107.84/79,866.97
  6. Step 6: Final answer
    x = 40,897.18

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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.