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Finding the Fourth Proportional to 309,994.39, 465,163.81 and 167,837.57

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Solution

The fourth proportional to 309,994.39, 465,163.81 and 167,837.57 is: 251,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,994.39 : 465,163.81 = 167,837.57 : x
  2. Step 2: Convert to fraction form
    309,994.39/465,163.81 = 167,837.57/x
  3. Step 3: Cross multiply
    309,994.39x = 465,163.81 × 167,837.57
  4. Step 4: Simplify right side
    309,994.39x = 78,071,960,357.33
  5. Step 5: Solve for x
    x = 78,071,960,357.33/309,994.39
  6. Step 6: Final answer
    x = 251,849.60

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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.