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Finding the Fourth Proportional to 110,726.20, 166,040.70 and 44,144.20

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Solution

The fourth proportional to 110,726.20, 166,040.70 and 44,144.20 is: 66,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,726.20 : 166,040.70 = 44,144.20 : x
  2. Step 2: Convert to fraction form
    110,726.20/166,040.70 = 44,144.20/x
  3. Step 3: Cross multiply
    110,726.20x = 166,040.70 × 44,144.20
  4. Step 4: Simplify right side
    110,726.20x = 7,329,733,868.94
  5. Step 5: Solve for x
    x = 7,329,733,868.94/110,726.20
  6. Step 6: Final answer
    x = 66,196.92

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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.