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Finding the Fourth Proportional to 73,642.57, 110,503.44 and 29,269.69

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Solution

The fourth proportional to 73,642.57, 110,503.44 and 29,269.69 is: 43,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,642.57 : 110,503.44 = 29,269.69 : x
  2. Step 2: Convert to fraction form
    73,642.57/110,503.44 = 29,269.69/x
  3. Step 3: Cross multiply
    73,642.57x = 110,503.44 × 29,269.69
  4. Step 4: Simplify right side
    73,642.57x = 3,234,401,156.48
  5. Step 5: Solve for x
    x = 3,234,401,156.48/73,642.57
  6. Step 6: Final answer
    x = 43,920.27

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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.