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Finding the Fourth Proportional to 300,263.13, 450,399.92 and 110,625.88

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Solution

The fourth proportional to 300,263.13, 450,399.92 and 110,625.88 is: 165,940.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,263.13 : 450,399.92 = 110,625.88 : x
  2. Step 2: Convert to fraction form
    300,263.13/450,399.92 = 110,625.88/x
  3. Step 3: Cross multiply
    300,263.13x = 450,399.92 × 110,625.88
  4. Step 4: Simplify right side
    300,263.13x = 49,825,888,637.80
  5. Step 5: Solve for x
    x = 49,825,888,637.80/300,263.13
  6. Step 6: Final answer
    x = 165,940.75

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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.