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Finding the Fourth Proportional to 202,100.60, 303,126.60 and 83,759.60

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Solution

The fourth proportional to 202,100.60, 303,126.60 and 83,759.60 is: 125,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,100.60 : 303,126.60 = 83,759.60 : x
  2. Step 2: Convert to fraction form
    202,100.60/303,126.60 = 83,759.60/x
  3. Step 3: Cross multiply
    202,100.60x = 303,126.60 × 83,759.60
  4. Step 4: Simplify right side
    202,100.60x = 25,389,762,765.36
  5. Step 5: Solve for x
    x = 25,389,762,765.36/202,100.60
  6. Step 6: Final answer
    x = 125,629.33

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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.