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Finding the Fourth Proportional to 69,793.53, 96,306.33 and 47,181.72

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Solution

The fourth proportional to 69,793.53, 96,306.33 and 47,181.72 is: 65,104.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,793.53 : 96,306.33 = 47,181.72 : x
  2. Step 2: Convert to fraction form
    69,793.53/96,306.33 = 47,181.72/x
  3. Step 3: Cross multiply
    69,793.53x = 96,306.33 × 47,181.72
  4. Step 4: Simplify right side
    69,793.53x = 4,543,898,296.29
  5. Step 5: Solve for x
    x = 4,543,898,296.29/69,793.53
  6. Step 6: Final answer
    x = 65,104.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.