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Finding the Fourth Proportional to 193,803.69, 267,531.12 and 181,697.43

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Solution

The fourth proportional to 193,803.69, 267,531.12 and 181,697.43 is: 250,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,803.69 : 267,531.12 = 181,697.43 : x
  2. Step 2: Convert to fraction form
    193,803.69/267,531.12 = 181,697.43/x
  3. Step 3: Cross multiply
    193,803.69x = 267,531.12 × 181,697.43
  4. Step 4: Simplify right side
    193,803.69x = 48,609,716,949.02
  5. Step 5: Solve for x
    x = 48,609,716,949.02/193,803.69
  6. Step 6: Final answer
    x = 250,819.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.