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Finding the Fourth Proportional to 202,394.40, 303,348.60 and 84,004.80

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Solution

The fourth proportional to 202,394.40, 303,348.60 and 84,004.80 is: 125,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,394.40 : 303,348.60 = 84,004.80 : x
  2. Step 2: Convert to fraction form
    202,394.40/303,348.60 = 84,004.80/x
  3. Step 3: Cross multiply
    202,394.40x = 303,348.60 × 84,004.80
  4. Step 4: Simplify right side
    202,394.40x = 25,482,738,473.28
  5. Step 5: Solve for x
    x = 25,482,738,473.28/202,394.40
  6. Step 6: Final answer
    x = 125,906.34

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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.