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Finding the Fourth Proportional to 110,726.28, 166,089.42 and 27,620.28

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Solution

The fourth proportional to 110,726.28, 166,089.42 and 27,620.28 is: 41,430.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,726.28 : 166,089.42 = 27,620.28 : x
  2. Step 2: Convert to fraction form
    110,726.28/166,089.42 = 27,620.28/x
  3. Step 3: Cross multiply
    110,726.28x = 166,089.42 × 27,620.28
  4. Step 4: Simplify right side
    110,726.28x = 4,587,436,285.44
  5. Step 5: Solve for x
    x = 4,587,436,285.44/110,726.28
  6. Step 6: Final answer
    x = 41,430.42

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1.5x scale

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.