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Finding the Fourth Proportional to 84,494.73, 116,631.87 and 48,699.03

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Solution

The fourth proportional to 84,494.73, 116,631.87 and 48,699.03 is: 67,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,494.73 : 116,631.87 = 48,699.03 : x
  2. Step 2: Convert to fraction form
    84,494.73/116,631.87 = 48,699.03/x
  3. Step 3: Cross multiply
    84,494.73x = 116,631.87 × 48,699.03
  4. Step 4: Simplify right side
    84,494.73x = 5,679,858,936.09
  5. Step 5: Solve for x
    x = 5,679,858,936.09/84,494.73
  6. Step 6: Final answer
    x = 67,221.46

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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.