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Finding the Fourth Proportional to 99,994.38, 150,033.24 and 43,874.82

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Solution

The fourth proportional to 99,994.38, 150,033.24 and 43,874.82 is: 65,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,994.38 : 150,033.24 = 43,874.82 : x
  2. Step 2: Convert to fraction form
    99,994.38/150,033.24 = 43,874.82/x
  3. Step 3: Cross multiply
    99,994.38x = 150,033.24 × 43,874.82
  4. Step 4: Simplify right side
    99,994.38x = 6,582,681,399.02
  5. Step 5: Solve for x
    x = 6,582,681,399.02/99,994.38
  6. Step 6: Final answer
    x = 65,830.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.