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Finding the Fourth Proportional to 73,532.80, 110,299.20 and 38,467.90

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Solution

The fourth proportional to 73,532.80, 110,299.20 and 38,467.90 is: 57,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,532.80 : 110,299.20 = 38,467.90 : x
  2. Step 2: Convert to fraction form
    73,532.80/110,299.20 = 38,467.90/x
  3. Step 3: Cross multiply
    73,532.80x = 110,299.20 × 38,467.90
  4. Step 4: Simplify right side
    73,532.80x = 4,242,978,595.68
  5. Step 5: Solve for x
    x = 4,242,978,595.68/73,532.80
  6. Step 6: Final answer
    x = 57,701.85

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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.