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Finding the Fourth Proportional to 75,093.91, 103,622.56 and 44,873.21

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Solution

The fourth proportional to 75,093.91, 103,622.56 and 44,873.21 is: 61,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,093.91 : 103,622.56 = 44,873.21 : x
  2. Step 2: Convert to fraction form
    75,093.91/103,622.56 = 44,873.21/x
  3. Step 3: Cross multiply
    75,093.91x = 103,622.56 × 44,873.21
  4. Step 4: Simplify right side
    75,093.91x = 4,649,877,042.49
  5. Step 5: Solve for x
    x = 4,649,877,042.49/75,093.91
  6. Step 6: Final answer
    x = 61,920.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.