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Finding the Fourth Proportional to 178,396.88, 267,597.24 and 53,738.96

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Solution

The fourth proportional to 178,396.88, 267,597.24 and 53,738.96 is: 80,609.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,396.88 : 267,597.24 = 53,738.96 : x
  2. Step 2: Convert to fraction form
    178,396.88/267,597.24 = 53,738.96/x
  3. Step 3: Cross multiply
    178,396.88x = 267,597.24 × 53,738.96
  4. Step 4: Simplify right side
    178,396.88x = 14,380,397,376.47
  5. Step 5: Solve for x
    x = 14,380,397,376.47/178,396.88
  6. Step 6: Final answer
    x = 80,609.02

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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.