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Finding the Fourth Proportional to 133,791.12, 184,631.67 and 73,362.78

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Solution

The fourth proportional to 133,791.12, 184,631.67 and 73,362.78 is: 101,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,791.12 : 184,631.67 = 73,362.78 : x
  2. Step 2: Convert to fraction form
    133,791.12/184,631.67 = 73,362.78/x
  3. Step 3: Cross multiply
    133,791.12x = 184,631.67 × 73,362.78
  4. Step 4: Simplify right side
    133,791.12x = 13,545,092,587.24
  5. Step 5: Solve for x
    x = 13,545,092,587.24/133,791.12
  6. Step 6: Final answer
    x = 101,240.59

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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.