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Finding the Fourth Proportional to 100,843.80, 151,195.68 and 44,653.29

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Solution

The fourth proportional to 100,843.80, 151,195.68 and 44,653.29 is: 66,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,843.80 : 151,195.68 = 44,653.29 : x
  2. Step 2: Convert to fraction form
    100,843.80/151,195.68 = 44,653.29/x
  3. Step 3: Cross multiply
    100,843.80x = 151,195.68 × 44,653.29
  4. Step 4: Simplify right side
    100,843.80x = 6,751,383,978.80
  5. Step 5: Solve for x
    x = 6,751,383,978.80/100,843.80
  6. Step 6: Final answer
    x = 66,948.93

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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.