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Finding the Fourth Proportional to 269,327.82, 403,991.73 and 69,668.39

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Solution

The fourth proportional to 269,327.82, 403,991.73 and 69,668.39 is: 104,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,327.82 : 403,991.73 = 69,668.39 : x
  2. Step 2: Convert to fraction form
    269,327.82/403,991.73 = 69,668.39/x
  3. Step 3: Cross multiply
    269,327.82x = 403,991.73 × 69,668.39
  4. Step 4: Simplify right side
    269,327.82x = 28,145,451,382.46
  5. Step 5: Solve for x
    x = 28,145,451,382.46/269,327.82
  6. Step 6: Final answer
    x = 104,502.58

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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.