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Finding the Fourth Proportional to 73,785.93, 110,613.15 and 27,027.87

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Solution

The fourth proportional to 73,785.93, 110,613.15 and 27,027.87 is: 40,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,785.93 : 110,613.15 = 27,027.87 : x
  2. Step 2: Convert to fraction form
    73,785.93/110,613.15 = 27,027.87/x
  3. Step 3: Cross multiply
    73,785.93x = 110,613.15 × 27,027.87
  4. Step 4: Simplify right side
    73,785.93x = 2,989,637,838.49
  5. Step 5: Solve for x
    x = 2,989,637,838.49/73,785.93
  6. Step 6: Final answer
    x = 40,517.72

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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.