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Finding the Fourth Proportional to 151,458.81, 227,188.20 and 40,650.81

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Solution

The fourth proportional to 151,458.81, 227,188.20 and 40,650.81 is: 60,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,458.81 : 227,188.20 = 40,650.81 : x
  2. Step 2: Convert to fraction form
    151,458.81/227,188.20 = 40,650.81/x
  3. Step 3: Cross multiply
    151,458.81x = 227,188.20 × 40,650.81
  4. Step 4: Simplify right side
    151,458.81x = 9,235,384,352.44
  5. Step 5: Solve for x
    x = 9,235,384,352.44/151,458.81
  6. Step 6: Final answer
    x = 60,976.21

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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.