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Finding the Fourth Proportional to 179,805.41, 269,638 and 67,424.39

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Solution

The fourth proportional to 179,805.41, 269,638 and 67,424.39 is: 101,110.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,805.41 : 269,638 = 67,424.39 : x
  2. Step 2: Convert to fraction form
    179,805.41/269,638 = 67,424.39/x
  3. Step 3: Cross multiply
    179,805.41x = 269,638 × 67,424.39
  4. Step 4: Simplify right side
    179,805.41x = 18,180,177,670.82
  5. Step 5: Solve for x
    x = 18,180,177,670.82/179,805.41
  6. Step 6: Final answer
    x = 101,110.29

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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.