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Finding the Fourth Proportional to 269,956.80, 372,581.78 and 166,651.16

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Solution

The fourth proportional to 269,956.80, 372,581.78 and 166,651.16 is: 230,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,956.80 : 372,581.78 = 166,651.16 : x
  2. Step 2: Convert to fraction form
    269,956.80/372,581.78 = 166,651.16/x
  3. Step 3: Cross multiply
    269,956.80x = 372,581.78 × 166,651.16
  4. Step 4: Simplify right side
    269,956.80x = 62,091,183,135.70
  5. Step 5: Solve for x
    x = 62,091,183,135.70/269,956.80
  6. Step 6: Final answer
    x = 230,004.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.