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Finding the Fourth Proportional to 133,062.37, 183,691.98 and 84,712.37

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Solution

The fourth proportional to 133,062.37, 183,691.98 and 84,712.37 is: 116,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,062.37 : 183,691.98 = 84,712.37 : x
  2. Step 2: Convert to fraction form
    133,062.37/183,691.98 = 84,712.37/x
  3. Step 3: Cross multiply
    133,062.37x = 183,691.98 × 84,712.37
  4. Step 4: Simplify right side
    133,062.37x = 15,560,982,057.33
  5. Step 5: Solve for x
    x = 15,560,982,057.33/133,062.37
  6. Step 6: Final answer
    x = 116,945.03

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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.