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Finding the Fourth Proportional to 69,439.81, 104,138.22 and 25,060.94

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Solution

The fourth proportional to 69,439.81, 104,138.22 and 25,060.94 is: 37,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439.81 : 104,138.22 = 25,060.94 : x
  2. Step 2: Convert to fraction form
    69,439.81/104,138.22 = 25,060.94/x
  3. Step 3: Cross multiply
    69,439.81x = 104,138.22 × 25,060.94
  4. Step 4: Simplify right side
    69,439.81x = 2,609,801,557.82
  5. Step 5: Solve for x
    x = 2,609,801,557.82/69,439.81
  6. Step 6: Final answer
    x = 37,583.65

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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.