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Finding the Fourth Proportional to 202,137.40, 303,351.90 and 113,296.60

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Solution

The fourth proportional to 202,137.40, 303,351.90 and 113,296.60 is: 170,026.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,137.40 : 303,351.90 = 113,296.60 : x
  2. Step 2: Convert to fraction form
    202,137.40/303,351.90 = 113,296.60/x
  3. Step 3: Cross multiply
    202,137.40x = 303,351.90 × 113,296.60
  4. Step 4: Simplify right side
    202,137.40x = 34,368,738,873.54
  5. Step 5: Solve for x
    x = 34,368,738,873.54/202,137.40
  6. Step 6: Final answer
    x = 170,026.62

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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.