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Finding the Fourth Proportional to 133,658.78, 184,456.86 and 73,229.54

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Solution

The fourth proportional to 133,658.78, 184,456.86 and 73,229.54 is: 101,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.78 : 184,456.86 = 73,229.54 : x
  2. Step 2: Convert to fraction form
    133,658.78/184,456.86 = 73,229.54/x
  3. Step 3: Cross multiply
    133,658.78x = 184,456.86 × 73,229.54
  4. Step 4: Simplify right side
    133,658.78x = 13,507,691,007.64
  5. Step 5: Solve for x
    x = 13,507,691,007.64/133,658.78
  6. Step 6: Final answer
    x = 101,061.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.