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Finding the Fourth Proportional to 73,515.75, 110,273.64 and 31,962.75

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Solution

The fourth proportional to 73,515.75, 110,273.64 and 31,962.75 is: 47,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,515.75 : 110,273.64 = 31,962.75 : x
  2. Step 2: Convert to fraction form
    73,515.75/110,273.64 = 31,962.75/x
  3. Step 3: Cross multiply
    73,515.75x = 110,273.64 × 31,962.75
  4. Step 4: Simplify right side
    73,515.75x = 3,524,648,786.91
  5. Step 5: Solve for x
    x = 3,524,648,786.91/73,515.75
  6. Step 6: Final answer
    x = 47,944.13

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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.