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Finding the Fourth Proportional to 300,752.57, 451,097.07 and 158,540.87

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Solution

The fourth proportional to 300,752.57, 451,097.07 and 158,540.87 is: 237,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,752.57 : 451,097.07 = 158,540.87 : x
  2. Step 2: Convert to fraction form
    300,752.57/451,097.07 = 158,540.87/x
  3. Step 3: Cross multiply
    300,752.57x = 451,097.07 × 158,540.87
  4. Step 4: Simplify right side
    300,752.57x = 71,517,322,465.47
  5. Step 5: Solve for x
    x = 71,517,322,465.47/300,752.57
  6. Step 6: Final answer
    x = 237,794.55

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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.