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Finding the Fourth Proportional to 123,168.08, 184,564.20 and 64,022.96

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Solution

The fourth proportional to 123,168.08, 184,564.20 and 64,022.96 is: 95,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,168.08 : 184,564.20 = 64,022.96 : x
  2. Step 2: Convert to fraction form
    123,168.08/184,564.20 = 64,022.96/x
  3. Step 3: Cross multiply
    123,168.08x = 184,564.20 × 64,022.96
  4. Step 4: Simplify right side
    123,168.08x = 11,816,346,394.03
  5. Step 5: Solve for x
    x = 11,816,346,394.03/123,168.08
  6. Step 6: Final answer
    x = 95,936.76

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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.