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Finding the Fourth Proportional to 111,205.29, 166,807.33 and 26,965.39

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Solution

The fourth proportional to 111,205.29, 166,807.33 and 26,965.39 is: 40,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,205.29 : 166,807.33 = 26,965.39 : x
  2. Step 2: Convert to fraction form
    111,205.29/166,807.33 = 26,965.39/x
  3. Step 3: Cross multiply
    111,205.29x = 166,807.33 × 26,965.39
  4. Step 4: Simplify right side
    111,205.29x = 4,498,024,708.31
  5. Step 5: Solve for x
    x = 4,498,024,708.31/111,205.29
  6. Step 6: Final answer
    x = 40,447.94

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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.