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Finding the Fourth Proportional to 69,463.94, 104,183.82 and 19,532.18

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Solution

The fourth proportional to 69,463.94, 104,183.82 and 19,532.18 is: 29,294.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,463.94 : 104,183.82 = 19,532.18 : x
  2. Step 2: Convert to fraction form
    69,463.94/104,183.82 = 19,532.18/x
  3. Step 3: Cross multiply
    69,463.94x = 104,183.82 × 19,532.18
  4. Step 4: Simplify right side
    69,463.94x = 2,034,937,125.33
  5. Step 5: Solve for x
    x = 2,034,937,125.33/69,463.94
  6. Step 6: Final answer
    x = 29,294.87

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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.