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Finding the Fourth Proportional to 150,863.60, 226,441.20 and 91,814.60

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Solution

The fourth proportional to 150,863.60, 226,441.20 and 91,814.60 is: 137,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,863.60 : 226,441.20 = 91,814.60 : x
  2. Step 2: Convert to fraction form
    150,863.60/226,441.20 = 91,814.60/x
  3. Step 3: Cross multiply
    150,863.60x = 226,441.20 × 91,814.60
  4. Step 4: Simplify right side
    150,863.60x = 20,790,608,201.52
  5. Step 5: Solve for x
    x = 20,790,608,201.52/150,863.60
  6. Step 6: Final answer
    x = 137,810.63

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1.5x scale

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.