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Finding the Fourth Proportional to 150,425.80, 225,897.90 and 80,441.80

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Solution

The fourth proportional to 150,425.80, 225,897.90 and 80,441.80 is: 120,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,425.80 : 225,897.90 = 80,441.80 : x
  2. Step 2: Convert to fraction form
    150,425.80/225,897.90 = 80,441.80/x
  3. Step 3: Cross multiply
    150,425.80x = 225,897.90 × 80,441.80
  4. Step 4: Simplify right side
    150,425.80x = 18,171,633,692.22
  5. Step 5: Solve for x
    x = 18,171,633,692.22/150,425.80
  6. Step 6: Final answer
    x = 120,801.31

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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.