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Finding the Fourth Proportional to 69,478.50, 95,844.99 and 43,941.87

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Solution

The fourth proportional to 69,478.50, 95,844.99 and 43,941.87 is: 60,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,478.50 : 95,844.99 = 43,941.87 : x
  2. Step 2: Convert to fraction form
    69,478.50/95,844.99 = 43,941.87/x
  3. Step 3: Cross multiply
    69,478.50x = 95,844.99 × 43,941.87
  4. Step 4: Simplify right side
    69,478.50x = 4,211,608,090.73
  5. Step 5: Solve for x
    x = 4,211,608,090.73/69,478.50
  6. Step 6: Final answer
    x = 60,617.43

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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.