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Finding the Fourth Proportional to 178,793.96, 246,626.21 and 106,147.54

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Solution

The fourth proportional to 178,793.96, 246,626.21 and 106,147.54 is: 146,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,793.96 : 246,626.21 = 106,147.54 : x
  2. Step 2: Convert to fraction form
    178,793.96/246,626.21 = 106,147.54/x
  3. Step 3: Cross multiply
    178,793.96x = 246,626.21 × 106,147.54
  4. Step 4: Simplify right side
    178,793.96x = 26,178,764,257.89
  5. Step 5: Solve for x
    x = 26,178,764,257.89/178,793.96
  6. Step 6: Final answer
    x = 146,418.62

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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.