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Finding the Fourth Proportional to 173,234.82, 259,861.45 and 54,915.42

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Solution

The fourth proportional to 173,234.82, 259,861.45 and 54,915.42 is: 82,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.82 : 259,861.45 = 54,915.42 : x
  2. Step 2: Convert to fraction form
    173,234.82/259,861.45 = 54,915.42/x
  3. Step 3: Cross multiply
    173,234.82x = 259,861.45 × 54,915.42
  4. Step 4: Simplify right side
    173,234.82x = 14,270,400,668.56
  5. Step 5: Solve for x
    x = 14,270,400,668.56/173,234.82
  6. Step 6: Final answer
    x = 82,376.05

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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.