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Finding the Fourth Proportional to 150,549.84, 225,912.21 and 67,443.84

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Solution

The fourth proportional to 150,549.84, 225,912.21 and 67,443.84 is: 101,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,549.84 : 225,912.21 = 67,443.84 : x
  2. Step 2: Convert to fraction form
    150,549.84/225,912.21 = 67,443.84/x
  3. Step 3: Cross multiply
    150,549.84x = 225,912.21 × 67,443.84
  4. Step 4: Simplify right side
    150,549.84x = 15,236,385,815.73
  5. Step 5: Solve for x
    x = 15,236,385,815.73/150,549.84
  6. Step 6: Final answer
    x = 101,204.93

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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.