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Finding the Fourth Proportional to 202,455.57, 303,652.25 and 67,522.02

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Solution

The fourth proportional to 202,455.57, 303,652.25 and 67,522.02 is: 101,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,455.57 : 303,652.25 = 67,522.02 : x
  2. Step 2: Convert to fraction form
    202,455.57/303,652.25 = 67,522.02/x
  3. Step 3: Cross multiply
    202,455.57x = 303,652.25 × 67,522.02
  4. Step 4: Simplify right side
    202,455.57x = 20,503,212,959.93
  5. Step 5: Solve for x
    x = 20,503,212,959.93/202,455.57
  6. Step 6: Final answer
    x = 101,272.65

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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.