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Finding the Fourth Proportional to 84,958.66, 117,230.09 and 48,654.46

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Solution

The fourth proportional to 84,958.66, 117,230.09 and 48,654.46 is: 67,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,958.66 : 117,230.09 = 48,654.46 : x
  2. Step 2: Convert to fraction form
    84,958.66/117,230.09 = 48,654.46/x
  3. Step 3: Cross multiply
    84,958.66x = 117,230.09 × 48,654.46
  4. Step 4: Simplify right side
    84,958.66x = 5,703,766,724.70
  5. Step 5: Solve for x
    x = 5,703,766,724.70/84,958.66
  6. Step 6: Final answer
    x = 67,135.79

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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.