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Finding the Fourth Proportional to 133,647.78, 184,434 and 73,220.64

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Solution

The fourth proportional to 133,647.78, 184,434 and 73,220.64 is: 101,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,647.78 : 184,434 = 73,220.64 : x
  2. Step 2: Convert to fraction form
    133,647.78/184,434 = 73,220.64/x
  3. Step 3: Cross multiply
    133,647.78x = 184,434 × 73,220.64
  4. Step 4: Simplify right side
    133,647.78x = 13,504,375,517.76
  5. Step 5: Solve for x
    x = 13,504,375,517.76/133,647.78
  6. Step 6: Final answer
    x = 101,044.52

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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.