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Finding the Fourth Proportional to 73,575.80, 110,286.90 and 40,244.60

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Solution

The fourth proportional to 73,575.80, 110,286.90 and 40,244.60 is: 60,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,575.80 : 110,286.90 = 40,244.60 : x
  2. Step 2: Convert to fraction form
    73,575.80/110,286.90 = 40,244.60/x
  3. Step 3: Cross multiply
    73,575.80x = 110,286.90 × 40,244.60
  4. Step 4: Simplify right side
    73,575.80x = 4,438,452,175.74
  5. Step 5: Solve for x
    x = 4,438,452,175.74/73,575.80
  6. Step 6: Final answer
    x = 60,324.89

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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.