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Finding the Fourth Proportional to 99,993.42, 149,998.10 and 33,433.97

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Solution

The fourth proportional to 99,993.42, 149,998.10 and 33,433.97 is: 50,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,993.42 : 149,998.10 = 33,433.97 : x
  2. Step 2: Convert to fraction form
    99,993.42/149,998.10 = 33,433.97/x
  3. Step 3: Cross multiply
    99,993.42x = 149,998.10 × 33,433.97
  4. Step 4: Simplify right side
    99,993.42x = 5,015,031,058.30
  5. Step 5: Solve for x
    x = 5,015,031,058.30/99,993.42
  6. Step 6: Final answer
    x = 50,153.61

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1.5x scale

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.