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Finding the Fourth Proportional to 179,194.56, 268,604.30 and 66,829.56

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Solution

The fourth proportional to 179,194.56, 268,604.30 and 66,829.56 is: 100,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,194.56 : 268,604.30 = 66,829.56 : x
  2. Step 2: Convert to fraction form
    179,194.56/268,604.30 = 66,829.56/x
  3. Step 3: Cross multiply
    179,194.56x = 268,604.30 × 66,829.56
  4. Step 4: Simplify right side
    179,194.56x = 17,950,707,183.11
  5. Step 5: Solve for x
    x = 17,950,707,183.11/179,194.56
  6. Step 6: Final answer
    x = 100,174.40

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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.