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Finding the Fourth Proportional to 111,296.49, 166,960.33 and 36,422.52

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Solution

The fourth proportional to 111,296.49, 166,960.33 and 36,422.52 is: 54,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,296.49 : 166,960.33 = 36,422.52 : x
  2. Step 2: Convert to fraction form
    111,296.49/166,960.33 = 36,422.52/x
  3. Step 3: Cross multiply
    111,296.49x = 166,960.33 × 36,422.52
  4. Step 4: Simplify right side
    111,296.49x = 6,081,115,867.58
  5. Step 5: Solve for x
    x = 6,081,115,867.58/111,296.49
  6. Step 6: Final answer
    x = 54,638.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.