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Finding the Fourth Proportional to 69,007.55, 95,191.20 and 43,469.87

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Solution

The fourth proportional to 69,007.55, 95,191.20 and 43,469.87 is: 59,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,007.55 : 95,191.20 = 43,469.87 : x
  2. Step 2: Convert to fraction form
    69,007.55/95,191.20 = 43,469.87/x
  3. Step 3: Cross multiply
    69,007.55x = 95,191.20 × 43,469.87
  4. Step 4: Simplify right side
    69,007.55x = 4,137,948,613.19
  5. Step 5: Solve for x
    x = 4,137,948,613.19/69,007.55
  6. Step 6: Final answer
    x = 59,963.71

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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.