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Finding the Fourth Proportional to 300,873.80, 451,201.35 and 101,200.70

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Solution

The fourth proportional to 300,873.80, 451,201.35 and 101,200.70 is: 151,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,873.80 : 451,201.35 = 101,200.70 : x
  2. Step 2: Convert to fraction form
    300,873.80/451,201.35 = 101,200.70/x
  3. Step 3: Cross multiply
    300,873.80x = 451,201.35 × 101,200.70
  4. Step 4: Simplify right side
    300,873.80x = 45,661,892,460.95
  5. Step 5: Solve for x
    x = 45,661,892,460.95/300,873.80
  6. Step 6: Final answer
    x = 151,764.27

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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.