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Finding the Fourth Proportional to 179,747.96, 269,628.42 and 67,416.80

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Solution

The fourth proportional to 179,747.96, 269,628.42 and 67,416.80 is: 101,127.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,747.96 : 269,628.42 = 67,416.80 : x
  2. Step 2: Convert to fraction form
    179,747.96/269,628.42 = 67,416.80/x
  3. Step 3: Cross multiply
    179,747.96x = 269,628.42 × 67,416.80
  4. Step 4: Simplify right side
    179,747.96x = 18,177,485,265.46
  5. Step 5: Solve for x
    x = 18,177,485,265.46/179,747.96
  6. Step 6: Final answer
    x = 101,127.63

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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.