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Finding the Fourth Proportional to 150,700.74, 225,912.87 and 67,549.38

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Solution

The fourth proportional to 150,700.74, 225,912.87 and 67,549.38 is: 101,262.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,700.74 : 225,912.87 = 67,549.38 : x
  2. Step 2: Convert to fraction form
    150,700.74/225,912.87 = 67,549.38/x
  3. Step 3: Cross multiply
    150,700.74x = 225,912.87 × 67,549.38
  4. Step 4: Simplify right side
    150,700.74x = 15,260,274,302.52
  5. Step 5: Solve for x
    x = 15,260,274,302.52/150,700.74
  6. Step 6: Final answer
    x = 101,262.11

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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.