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Finding the Fourth Proportional to 150,834.30, 226,251.45 and 80,850.30

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Solution

The fourth proportional to 150,834.30, 226,251.45 and 80,850.30 is: 121,275.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,834.30 : 226,251.45 = 80,850.30 : x
  2. Step 2: Convert to fraction form
    150,834.30/226,251.45 = 80,850.30/x
  3. Step 3: Cross multiply
    150,834.30x = 226,251.45 × 80,850.30
  4. Step 4: Simplify right side
    150,834.30x = 18,292,497,607.94
  5. Step 5: Solve for x
    x = 18,292,497,607.94/150,834.30
  6. Step 6: Final answer
    x = 121,275.45

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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.