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Finding the Fourth Proportional to 73,187.97, 100,998.08 and 41,356.18

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Solution

The fourth proportional to 73,187.97, 100,998.08 and 41,356.18 is: 57,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,187.97 : 100,998.08 = 41,356.18 : x
  2. Step 2: Convert to fraction form
    73,187.97/100,998.08 = 41,356.18/x
  3. Step 3: Cross multiply
    73,187.97x = 100,998.08 × 41,356.18
  4. Step 4: Simplify right side
    73,187.97x = 4,176,894,850.69
  5. Step 5: Solve for x
    x = 4,176,894,850.69/73,187.97
  6. Step 6: Final answer
    x = 57,070.79

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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.