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Finding the Fourth Proportional to 69,431.91, 104,126.29 and 25,052.89

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Solution

The fourth proportional to 69,431.91, 104,126.29 and 25,052.89 is: 37,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,431.91 : 104,126.29 = 25,052.89 : x
  2. Step 2: Convert to fraction form
    69,431.91/104,126.29 = 25,052.89/x
  3. Step 3: Cross multiply
    69,431.91x = 104,126.29 × 25,052.89
  4. Step 4: Simplify right side
    69,431.91x = 2,608,664,166.53
  5. Step 5: Solve for x
    x = 2,608,664,166.53/69,431.91
  6. Step 6: Final answer
    x = 37,571.55

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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.