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Finding the Fourth Proportional to 150,772, 226,158 and 45,588.64

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Solution

The fourth proportional to 150,772, 226,158 and 45,588.64 is: 68,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,772 : 226,158 = 45,588.64 : x
  2. Step 2: Convert to fraction form
    150,772/226,158 = 45,588.64/x
  3. Step 3: Cross multiply
    150,772x = 226,158 × 45,588.64
  4. Step 4: Simplify right side
    150,772x = 10,310,235,645.12
  5. Step 5: Solve for x
    x = 10,310,235,645.12/150,772
  6. Step 6: Final answer
    x = 68,382.96

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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.