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Finding the Fourth Proportional to 202,215.33, 303,330.29 and 75,842.78

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Solution

The fourth proportional to 202,215.33, 303,330.29 and 75,842.78 is: 113,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,215.33 : 303,330.29 = 75,842.78 : x
  2. Step 2: Convert to fraction form
    202,215.33/303,330.29 = 75,842.78/x
  3. Step 3: Cross multiply
    202,215.33x = 303,330.29 × 75,842.78
  4. Step 4: Simplify right side
    202,215.33x = 23,005,410,555.94
  5. Step 5: Solve for x
    x = 23,005,410,555.94/202,215.33
  6. Step 6: Final answer
    x = 113,766.90

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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.