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Finding the Fourth Proportional to 150,632.64, 226,065.60 and 80,570.88

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Solution

The fourth proportional to 150,632.64, 226,065.60 and 80,570.88 is: 120,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,632.64 : 226,065.60 = 80,570.88 : x
  2. Step 2: Convert to fraction form
    150,632.64/226,065.60 = 80,570.88/x
  3. Step 3: Cross multiply
    150,632.64x = 226,065.60 × 80,570.88
  4. Step 4: Simplify right side
    150,632.64x = 18,214,304,329.73
  5. Step 5: Solve for x
    x = 18,214,304,329.73/150,632.64
  6. Step 6: Final answer
    x = 120,918.71

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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.