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Finding the Fourth Proportional to 139,295.69, 208,933.29 and 44,500.41

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Solution

The fourth proportional to 139,295.69, 208,933.29 and 44,500.41 is: 66,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,295.69 : 208,933.29 = 44,500.41 : x
  2. Step 2: Convert to fraction form
    139,295.69/208,933.29 = 44,500.41/x
  3. Step 3: Cross multiply
    139,295.69x = 208,933.29 × 44,500.41
  4. Step 4: Simplify right side
    139,295.69x = 9,297,617,067.65
  5. Step 5: Solve for x
    x = 9,297,617,067.65/139,295.69
  6. Step 6: Final answer
    x = 66,747.34

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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.