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Finding the Fourth Proportional to 202,273.40, 303,738.15 and 136,007.30

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Solution

The fourth proportional to 202,273.40, 303,738.15 and 136,007.30 is: 204,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,273.40 : 303,738.15 = 136,007.30 : x
  2. Step 2: Convert to fraction form
    202,273.40/303,738.15 = 136,007.30/x
  3. Step 3: Cross multiply
    202,273.40x = 303,738.15 × 136,007.30
  4. Step 4: Simplify right side
    202,273.40x = 41,310,605,688.50
  5. Step 5: Solve for x
    x = 41,310,605,688.50/202,273.40
  6. Step 6: Final answer
    x = 204,231.53

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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.