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Finding the Fourth Proportional to 178,608.29, 267,912.43 and 53,949.29

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Solution

The fourth proportional to 178,608.29, 267,912.43 and 53,949.29 is: 80,923.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,608.29 : 267,912.43 = 53,949.29 : x
  2. Step 2: Convert to fraction form
    178,608.29/267,912.43 = 53,949.29/x
  3. Step 3: Cross multiply
    178,608.29x = 267,912.43 × 53,949.29
  4. Step 4: Simplify right side
    178,608.29x = 14,453,685,380.67
  5. Step 5: Solve for x
    x = 14,453,685,380.67/178,608.29
  6. Step 6: Final answer
    x = 80,923.93

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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.