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Finding the Fourth Proportional to 123,101.58, 184,998.60 and 73,190.64

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Solution

The fourth proportional to 123,101.58, 184,998.60 and 73,190.64 is: 109,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,101.58 : 184,998.60 = 73,190.64 : x
  2. Step 2: Convert to fraction form
    123,101.58/184,998.60 = 73,190.64/x
  3. Step 3: Cross multiply
    123,101.58x = 184,998.60 × 73,190.64
  4. Step 4: Simplify right side
    123,101.58x = 13,540,165,933.10
  5. Step 5: Solve for x
    x = 13,540,165,933.10/123,101.58
  6. Step 6: Final answer
    x = 109,991.81

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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.