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Finding the Fourth Proportional to 73,182.69, 100,997.28 and 41,354.55

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Solution

The fourth proportional to 73,182.69, 100,997.28 and 41,354.55 is: 57,072.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,182.69 : 100,997.28 = 41,354.55 : x
  2. Step 2: Convert to fraction form
    73,182.69/100,997.28 = 41,354.55/x
  3. Step 3: Cross multiply
    73,182.69x = 100,997.28 × 41,354.55
  4. Step 4: Simplify right side
    73,182.69x = 4,176,697,065.62
  5. Step 5: Solve for x
    x = 4,176,697,065.62/73,182.69
  6. Step 6: Final answer
    x = 57,072.20

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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.