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Finding the Fourth Proportional to 75,995.73, 113,982.66 and 44,420.31

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Solution

The fourth proportional to 75,995.73, 113,982.66 and 44,420.31 is: 66,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,995.73 : 113,982.66 = 44,420.31 : x
  2. Step 2: Convert to fraction form
    75,995.73/113,982.66 = 44,420.31/x
  3. Step 3: Cross multiply
    75,995.73x = 113,982.66 × 44,420.31
  4. Step 4: Simplify right side
    75,995.73x = 5,063,145,091.82
  5. Step 5: Solve for x
    x = 5,063,145,091.82/75,995.73
  6. Step 6: Final answer
    x = 66,624.07

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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.