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Finding the Fourth Proportional to 300,793.95, 451,236.28 and 130,062.38

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Solution

The fourth proportional to 300,793.95, 451,236.28 and 130,062.38 is: 195,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.95 : 451,236.28 = 130,062.38 : x
  2. Step 2: Convert to fraction form
    300,793.95/451,236.28 = 130,062.38/x
  3. Step 3: Cross multiply
    300,793.95x = 451,236.28 × 130,062.38
  4. Step 4: Simplify right side
    300,793.95x = 58,688,864,519.15
  5. Step 5: Solve for x
    x = 58,688,864,519.15/300,793.95
  6. Step 6: Final answer
    x = 195,113.18

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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.