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Finding the Fourth Proportional to 84,033.48, 115,964.72 and 45,793.37

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Solution

The fourth proportional to 84,033.48, 115,964.72 and 45,793.37 is: 63,194.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,033.48 : 115,964.72 = 45,793.37 : x
  2. Step 2: Convert to fraction form
    84,033.48/115,964.72 = 45,793.37/x
  3. Step 3: Cross multiply
    84,033.48x = 115,964.72 × 45,793.37
  4. Step 4: Simplify right side
    84,033.48x = 5,310,414,521.12
  5. Step 5: Solve for x
    x = 5,310,414,521.12/84,033.48
  6. Step 6: Final answer
    x = 63,194.03

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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.