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Finding the Fourth Proportional to 69,857.52, 104,759.82 and 29,874.83

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Solution

The fourth proportional to 69,857.52, 104,759.82 and 29,874.83 is: 44,800.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,857.52 : 104,759.82 = 29,874.83 : x
  2. Step 2: Convert to fraction form
    69,857.52/104,759.82 = 29,874.83/x
  3. Step 3: Cross multiply
    69,857.52x = 104,759.82 × 29,874.83
  4. Step 4: Simplify right side
    69,857.52x = 3,129,681,289.53
  5. Step 5: Solve for x
    x = 3,129,681,289.53/69,857.52
  6. Step 6: Final answer
    x = 44,800.92

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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.