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Finding the Fourth Proportional to 111,201.66, 166,824.36 and 41,081.58

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Solution

The fourth proportional to 111,201.66, 166,824.36 and 41,081.58 is: 61,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,201.66 : 166,824.36 = 41,081.58 : x
  2. Step 2: Convert to fraction form
    111,201.66/166,824.36 = 41,081.58/x
  3. Step 3: Cross multiply
    111,201.66x = 166,824.36 × 41,081.58
  4. Step 4: Simplify right side
    111,201.66x = 6,853,408,291.29
  5. Step 5: Solve for x
    x = 6,853,408,291.29/111,201.66
  6. Step 6: Final answer
    x = 61,630.45

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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.