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Finding the Fourth Proportional to 100,759.91, 151,087.70 and 29,673.29

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Solution

The fourth proportional to 100,759.91, 151,087.70 and 29,673.29 is: 44,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,759.91 : 151,087.70 = 29,673.29 : x
  2. Step 2: Convert to fraction form
    100,759.91/151,087.70 = 29,673.29/x
  3. Step 3: Cross multiply
    100,759.91x = 151,087.70 × 29,673.29
  4. Step 4: Simplify right side
    100,759.91x = 4,483,269,589.44
  5. Step 5: Solve for x
    x = 4,483,269,589.44/100,759.91
  6. Step 6: Final answer
    x = 44,494.58

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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.