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Finding the Fourth Proportional to 202,375.16, 303,558.54 and 67,449.02

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Solution

The fourth proportional to 202,375.16, 303,558.54 and 67,449.02 is: 101,172.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,375.16 : 303,558.54 = 67,449.02 : x
  2. Step 2: Convert to fraction form
    202,375.16/303,558.54 = 67,449.02/x
  3. Step 3: Cross multiply
    202,375.16x = 303,558.54 × 67,449.02
  4. Step 4: Simplify right side
    202,375.16x = 20,474,726,035.63
  5. Step 5: Solve for x
    x = 20,474,726,035.63/202,375.16
  6. Step 6: Final answer
    x = 101,172.13

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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.