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Finding the Fourth Proportional to 243,772.92, 365,705.10 and 110,662.56

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Solution

The fourth proportional to 243,772.92, 365,705.10 and 110,662.56 is: 166,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,772.92 : 365,705.10 = 110,662.56 : x
  2. Step 2: Convert to fraction form
    243,772.92/365,705.10 = 110,662.56/x
  3. Step 3: Cross multiply
    243,772.92x = 365,705.10 × 110,662.56
  4. Step 4: Simplify right side
    243,772.92x = 40,469,862,571.06
  5. Step 5: Solve for x
    x = 40,469,862,571.06/243,772.92
  6. Step 6: Final answer
    x = 166,014.59

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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.