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Finding the Fourth Proportional to 202,396.80, 303,542.18 and 60,203.86

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Solution

The fourth proportional to 202,396.80, 303,542.18 and 60,203.86 is: 90,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,396.80 : 303,542.18 = 60,203.86 : x
  2. Step 2: Convert to fraction form
    202,396.80/303,542.18 = 60,203.86/x
  3. Step 3: Cross multiply
    202,396.80x = 303,542.18 × 60,203.86
  4. Step 4: Simplify right side
    202,396.80x = 18,274,410,908.81
  5. Step 5: Solve for x
    x = 18,274,410,908.81/202,396.80
  6. Step 6: Final answer
    x = 90,290.02

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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.