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Finding the Fourth Proportional to 150,379.71, 225,569.57 and 50,539.91

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Solution

The fourth proportional to 150,379.71, 225,569.57 and 50,539.91 is: 75,809.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,379.71 : 225,569.57 = 50,539.91 : x
  2. Step 2: Convert to fraction form
    150,379.71/225,569.57 = 50,539.91/x
  3. Step 3: Cross multiply
    150,379.71x = 225,569.57 × 50,539.91
  4. Step 4: Simplify right side
    150,379.71x = 11,400,265,766.54
  5. Step 5: Solve for x
    x = 11,400,265,766.54/150,379.71
  6. Step 6: Final answer
    x = 75,809.87

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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.