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Finding the Fourth Proportional to 73,181.87, 100,989.66 and 41,350.08

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Solution

The fourth proportional to 73,181.87, 100,989.66 and 41,350.08 is: 57,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,181.87 : 100,989.66 = 41,350.08 : x
  2. Step 2: Convert to fraction form
    73,181.87/100,989.66 = 41,350.08/x
  3. Step 3: Cross multiply
    73,181.87x = 100,989.66 × 41,350.08
  4. Step 4: Simplify right side
    73,181.87x = 4,175,931,053.95
  5. Step 5: Solve for x
    x = 4,175,931,053.95/73,181.87
  6. Step 6: Final answer
    x = 57,062.37

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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.