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Finding the Fourth Proportional to 123,079.54, 184,620.78 and 34,327.65

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Solution

The fourth proportional to 123,079.54, 184,620.78 and 34,327.65 is: 51,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,079.54 : 184,620.78 = 34,327.65 : x
  2. Step 2: Convert to fraction form
    123,079.54/184,620.78 = 34,327.65/x
  3. Step 3: Cross multiply
    123,079.54x = 184,620.78 × 34,327.65
  4. Step 4: Simplify right side
    123,079.54x = 6,337,597,518.57
  5. Step 5: Solve for x
    x = 6,337,597,518.57/123,079.54
  6. Step 6: Final answer
    x = 51,491.88

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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.