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Finding the Fourth Proportional to 202,274.40, 303,168.60 and 83,884.80

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Solution

The fourth proportional to 202,274.40, 303,168.60 and 83,884.80 is: 125,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,274.40 : 303,168.60 = 83,884.80 : x
  2. Step 2: Convert to fraction form
    202,274.40/303,168.60 = 83,884.80/x
  3. Step 3: Cross multiply
    202,274.40x = 303,168.60 × 83,884.80
  4. Step 4: Simplify right side
    202,274.40x = 25,431,237,377.28
  5. Step 5: Solve for x
    x = 25,431,237,377.28/202,274.40
  6. Step 6: Final answer
    x = 125,726.43

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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.