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Finding the Fourth Proportional to 73,350.51, 110,039.87 and 31,229.79

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Solution

The fourth proportional to 73,350.51, 110,039.87 and 31,229.79 is: 46,850.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,350.51 : 110,039.87 = 31,229.79 : x
  2. Step 2: Convert to fraction form
    73,350.51/110,039.87 = 31,229.79/x
  3. Step 3: Cross multiply
    73,350.51x = 110,039.87 × 31,229.79
  4. Step 4: Simplify right side
    73,350.51x = 3,436,522,031.73
  5. Step 5: Solve for x
    x = 3,436,522,031.73/73,350.51
  6. Step 6: Final answer
    x = 46,850.69

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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.