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Finding the Fourth Proportional to 69,042.44, 95,274.42 and 39,234.44

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Solution

The fourth proportional to 69,042.44, 95,274.42 and 39,234.44 is: 54,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,042.44 : 95,274.42 = 39,234.44 : x
  2. Step 2: Convert to fraction form
    69,042.44/95,274.42 = 39,234.44/x
  3. Step 3: Cross multiply
    69,042.44x = 95,274.42 × 39,234.44
  4. Step 4: Simplify right side
    69,042.44x = 3,738,038,515.02
  5. Step 5: Solve for x
    x = 3,738,038,515.02/69,042.44
  6. Step 6: Final answer
    x = 54,141.17

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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.