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Finding the Fourth Proportional to 202,293.90, 303,768.90 and 136,027.80

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Solution

The fourth proportional to 202,293.90, 303,768.90 and 136,027.80 is: 204,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,293.90 : 303,768.90 = 136,027.80 : x
  2. Step 2: Convert to fraction form
    202,293.90/303,768.90 = 136,027.80/x
  3. Step 3: Cross multiply
    202,293.90x = 303,768.90 × 136,027.80
  4. Step 4: Simplify right side
    202,293.90x = 41,321,015,175.42
  5. Step 5: Solve for x
    x = 41,321,015,175.42/202,293.90
  6. Step 6: Final answer
    x = 204,262.29

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1.5x scale

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.