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Finding the Fourth Proportional to 69,497.83, 104,252.87 and 19,578.34

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Solution

The fourth proportional to 69,497.83, 104,252.87 and 19,578.34 is: 29,369.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,497.83 : 104,252.87 = 19,578.34 : x
  2. Step 2: Convert to fraction form
    69,497.83/104,252.87 = 19,578.34/x
  3. Step 3: Cross multiply
    69,497.83x = 104,252.87 × 19,578.34
  4. Step 4: Simplify right side
    69,497.83x = 2,041,098,134.84
  5. Step 5: Solve for x
    x = 2,041,098,134.84/69,497.83
  6. Step 6: Final answer
    x = 29,369.24

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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.