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Finding the Fourth Proportional to 168,713.56, 253,070.64 and 50,375.59

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Solution

The fourth proportional to 168,713.56, 253,070.64 and 50,375.59 is: 75,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,713.56 : 253,070.64 = 50,375.59 : x
  2. Step 2: Convert to fraction form
    168,713.56/253,070.64 = 50,375.59/x
  3. Step 3: Cross multiply
    168,713.56x = 253,070.64 × 50,375.59
  4. Step 4: Simplify right side
    168,713.56x = 12,748,582,801.68
  5. Step 5: Solve for x
    x = 12,748,582,801.68/168,713.56
  6. Step 6: Final answer
    x = 75,563.47

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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.