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Finding the Fourth Proportional to 168,968.75, 253,453.13 and 44,309.75

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Solution

The fourth proportional to 168,968.75, 253,453.13 and 44,309.75 is: 66,464.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,968.75 : 253,453.13 = 44,309.75 : x
  2. Step 2: Convert to fraction form
    168,968.75/253,453.13 = 44,309.75/x
  3. Step 3: Cross multiply
    168,968.75x = 253,453.13 × 44,309.75
  4. Step 4: Simplify right side
    168,968.75x = 11,230,444,827.02
  5. Step 5: Solve for x
    x = 11,230,444,827.02/168,968.75
  6. Step 6: Final answer
    x = 66,464.63

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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.