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Finding the Fourth Proportional to 178,305.56, 267,474.89 and 64,481.85

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Solution

The fourth proportional to 178,305.56, 267,474.89 and 64,481.85 is: 96,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,305.56 : 267,474.89 = 64,481.85 : x
  2. Step 2: Convert to fraction form
    178,305.56/267,474.89 = 64,481.85/x
  3. Step 3: Cross multiply
    178,305.56x = 267,474.89 × 64,481.85
  4. Step 4: Simplify right side
    178,305.56x = 17,247,275,413.34
  5. Step 5: Solve for x
    x = 17,247,275,413.34/178,305.56
  6. Step 6: Final answer
    x = 96,728.76

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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.