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Finding the Fourth Proportional to 73,803.93, 110,640.15 and 27,045.87

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Solution

The fourth proportional to 73,803.93, 110,640.15 and 27,045.87 is: 40,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,803.93 : 110,640.15 = 27,045.87 : x
  2. Step 2: Convert to fraction form
    73,803.93/110,640.15 = 27,045.87/x
  3. Step 3: Cross multiply
    73,803.93x = 110,640.15 × 27,045.87
  4. Step 4: Simplify right side
    73,803.93x = 2,992,359,113.68
  5. Step 5: Solve for x
    x = 2,992,359,113.68/73,803.93
  6. Step 6: Final answer
    x = 40,544.71

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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.