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Finding the Fourth Proportional to 202,144.30, 303,107.10 and 83,827.60

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Solution

The fourth proportional to 202,144.30, 303,107.10 and 83,827.60 is: 125,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,144.30 : 303,107.10 = 83,827.60 : x
  2. Step 2: Convert to fraction form
    202,144.30/303,107.10 = 83,827.60/x
  3. Step 3: Cross multiply
    202,144.30x = 303,107.10 × 83,827.60
  4. Step 4: Simplify right side
    202,144.30x = 25,408,740,735.96
  5. Step 5: Solve for x
    x = 25,408,740,735.96/202,144.30
  6. Step 6: Final answer
    x = 125,696.05

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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.