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Finding the Fourth Proportional to 412,692.92, 619,177.86 and 159,981.65

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Solution

The fourth proportional to 412,692.92, 619,177.86 and 159,981.65 is: 240,026.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,692.92 : 619,177.86 = 159,981.65 : x
  2. Step 2: Convert to fraction form
    412,692.92/619,177.86 = 159,981.65/x
  3. Step 3: Cross multiply
    412,692.92x = 619,177.86 × 159,981.65
  4. Step 4: Simplify right side
    412,692.92x = 99,057,094,912.30
  5. Step 5: Solve for x
    x = 99,057,094,912.30/412,692.92
  6. Step 6: Final answer
    x = 240,026.16

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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.