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Finding the Fourth Proportional to 73,181.49, 100,987.39 and 41,351.59

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Solution

The fourth proportional to 73,181.49, 100,987.39 and 41,351.59 is: 57,063.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.49 : 100,987.39 = 41,351.59 : x
  2. Step 2: Convert to fraction form
    73,181.49/100,987.39 = 41,351.59/x
  3. Step 3: Cross multiply
    73,181.49x = 100,987.39 × 41,351.59
  4. Step 4: Simplify right side
    73,181.49x = 4,175,989,146.45
  5. Step 5: Solve for x
    x = 4,175,989,146.45/73,181.49
  6. Step 6: Final answer
    x = 57,063.46

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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.