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Finding the Fourth Proportional to 202,708.80, 303,961.20 and 62,449.20

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Solution

The fourth proportional to 202,708.80, 303,961.20 and 62,449.20 is: 93,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,708.80 : 303,961.20 = 62,449.20 : x
  2. Step 2: Convert to fraction form
    202,708.80/303,961.20 = 62,449.20/x
  3. Step 3: Cross multiply
    202,708.80x = 303,961.20 × 62,449.20
  4. Step 4: Simplify right side
    202,708.80x = 18,982,133,771.04
  5. Step 5: Solve for x
    x = 18,982,133,771.04/202,708.80
  6. Step 6: Final answer
    x = 93,642.38

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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.