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Finding the Fourth Proportional to 73,726.56, 110,524.37 and 28,737.54

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Solution

The fourth proportional to 73,726.56, 110,524.37 and 28,737.54 is: 43,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,726.56 : 110,524.37 = 28,737.54 : x
  2. Step 2: Convert to fraction form
    73,726.56/110,524.37 = 28,737.54/x
  3. Step 3: Cross multiply
    73,726.56x = 110,524.37 × 28,737.54
  4. Step 4: Simplify right side
    73,726.56x = 3,176,198,360.16
  5. Step 5: Solve for x
    x = 3,176,198,360.16/73,726.56
  6. Step 6: Final answer
    x = 43,080.79

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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.