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Finding the Fourth Proportional to 202,361.16, 303,488.86 and 60,168.15

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Solution

The fourth proportional to 202,361.16, 303,488.86 and 60,168.15 is: 90,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,361.16 : 303,488.86 = 60,168.15 : x
  2. Step 2: Convert to fraction form
    202,361.16/303,488.86 = 60,168.15/x
  3. Step 3: Cross multiply
    202,361.16x = 303,488.86 × 60,168.15
  4. Step 4: Simplify right side
    202,361.16x = 18,260,361,734.36
  5. Step 5: Solve for x
    x = 18,260,361,734.36/202,361.16
  6. Step 6: Final answer
    x = 90,236.49

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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.