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Finding the Fourth Proportional to 73,183.16, 100,992.93 and 40,918.93

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Solution

The fourth proportional to 73,183.16, 100,992.93 and 40,918.93 is: 56,468.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,183.16 : 100,992.93 = 40,918.93 : x
  2. Step 2: Convert to fraction form
    73,183.16/100,992.93 = 40,918.93/x
  3. Step 3: Cross multiply
    73,183.16x = 100,992.93 × 40,918.93
  4. Step 4: Simplify right side
    73,183.16x = 4,132,522,227.24
  5. Step 5: Solve for x
    x = 4,132,522,227.24/73,183.16
  6. Step 6: Final answer
    x = 56,468.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.