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Finding the Fourth Proportional to 123,228.92, 184,844.84 and 43,268.89

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Solution

The fourth proportional to 123,228.92, 184,844.84 and 43,268.89 is: 64,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,228.92 : 184,844.84 = 43,268.89 : x
  2. Step 2: Convert to fraction form
    123,228.92/184,844.84 = 43,268.89/x
  3. Step 3: Cross multiply
    123,228.92x = 184,844.84 × 43,268.89
  4. Step 4: Simplify right side
    123,228.92x = 7,998,031,049.03
  5. Step 5: Solve for x
    x = 7,998,031,049.03/123,228.92
  6. Step 6: Final answer
    x = 64,903.85

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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.