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Finding the Fourth Proportional to 73,377.26, 110,050.50 and 20,772.62

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Solution

The fourth proportional to 73,377.26, 110,050.50 and 20,772.62 is: 31,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,377.26 : 110,050.50 = 20,772.62 : x
  2. Step 2: Convert to fraction form
    73,377.26/110,050.50 = 20,772.62/x
  3. Step 3: Cross multiply
    73,377.26x = 110,050.50 × 20,772.62
  4. Step 4: Simplify right side
    73,377.26x = 2,286,037,217.31
  5. Step 5: Solve for x
    x = 2,286,037,217.31/73,377.26
  6. Step 6: Final answer
    x = 31,154.57

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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.