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Finding the Fourth Proportional to 171,092.67, 256,682.76 and 71,219.67

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Solution

The fourth proportional to 171,092.67, 256,682.76 and 71,219.67 is: 106,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,092.67 : 256,682.76 = 71,219.67 : x
  2. Step 2: Convert to fraction form
    171,092.67/256,682.76 = 71,219.67/x
  3. Step 3: Cross multiply
    171,092.67x = 256,682.76 × 71,219.67
  4. Step 4: Simplify right side
    171,092.67x = 18,280,861,461.89
  5. Step 5: Solve for x
    x = 18,280,861,461.89/171,092.67
  6. Step 6: Final answer
    x = 106,847.72

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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.