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Finding the Fourth Proportional to 300,756.26, 451,102.60 and 158,544.56

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Solution

The fourth proportional to 300,756.26, 451,102.60 and 158,544.56 is: 237,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,756.26 : 451,102.60 = 158,544.56 : x
  2. Step 2: Convert to fraction form
    300,756.26/451,102.60 = 158,544.56/x
  3. Step 3: Cross multiply
    300,756.26x = 451,102.60 × 158,544.56
  4. Step 4: Simplify right side
    300,756.26x = 71,519,863,231.86
  5. Step 5: Solve for x
    x = 71,519,863,231.86/300,756.26
  6. Step 6: Final answer
    x = 237,800.08

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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.