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Finding the Fourth Proportional to 269,334.32, 404,000.82 and 79,809.44

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Solution

The fourth proportional to 269,334.32, 404,000.82 and 79,809.44 is: 119,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,334.32 : 404,000.82 = 79,809.44 : x
  2. Step 2: Convert to fraction form
    269,334.32/404,000.82 = 79,809.44/x
  3. Step 3: Cross multiply
    269,334.32x = 404,000.82 × 79,809.44
  4. Step 4: Simplify right side
    269,334.32x = 32,243,079,203.74
  5. Step 5: Solve for x
    x = 32,243,079,203.74/269,334.32
  6. Step 6: Final answer
    x = 119,713.96

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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.