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Finding the Fourth Proportional to 123,290.94, 184,936.44 and 29,796.68

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Solution

The fourth proportional to 123,290.94, 184,936.44 and 29,796.68 is: 44,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,290.94 : 184,936.44 = 29,796.68 : x
  2. Step 2: Convert to fraction form
    123,290.94/184,936.44 = 29,796.68/x
  3. Step 3: Cross multiply
    123,290.94x = 184,936.44 × 29,796.68
  4. Step 4: Simplify right side
    123,290.94x = 5,510,491,923.02
  5. Step 5: Solve for x
    x = 5,510,491,923.02/123,290.94
  6. Step 6: Final answer
    x = 44,695.03

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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.