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Finding the Fourth Proportional to 150,453.99, 225,481.73 and 125,543.25

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Solution

The fourth proportional to 150,453.99, 225,481.73 and 125,543.25 is: 188,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,453.99 : 225,481.73 = 125,543.25 : x
  2. Step 2: Convert to fraction form
    150,453.99/225,481.73 = 125,543.25/x
  3. Step 3: Cross multiply
    150,453.99x = 225,481.73 × 125,543.25
  4. Step 4: Simplify right side
    150,453.99x = 28,307,708,572.11
  5. Step 5: Solve for x
    x = 28,307,708,572.11/150,453.99
  6. Step 6: Final answer
    x = 188,148.61

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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.