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Finding the Fourth Proportional to 57,179.52, 85,770.96 and 48,806.74

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Solution

The fourth proportional to 57,179.52, 85,770.96 and 48,806.74 is: 73,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.52 : 85,770.96 = 48,806.74 : x
  2. Step 2: Convert to fraction form
    57,179.52/85,770.96 = 48,806.74/x
  3. Step 3: Cross multiply
    57,179.52x = 85,770.96 × 48,806.74
  4. Step 4: Simplify right side
    57,179.52x = 4,186,200,944.27
  5. Step 5: Solve for x
    x = 4,186,200,944.27/57,179.52
  6. Step 6: Final answer
    x = 73,211.54

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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.