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Finding the Fourth Proportional to 173,391.92, 260,096.88 and 55,072.52

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Solution

The fourth proportional to 173,391.92, 260,096.88 and 55,072.52 is: 82,611.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,391.92 : 260,096.88 = 55,072.52 : x
  2. Step 2: Convert to fraction form
    173,391.92/260,096.88 = 55,072.52/x
  3. Step 3: Cross multiply
    173,391.92x = 260,096.88 × 55,072.52
  4. Step 4: Simplify right side
    173,391.92x = 14,324,190,625.74
  5. Step 5: Solve for x
    x = 14,324,190,625.74/173,391.92
  6. Step 6: Final answer
    x = 82,611.64

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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.