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Finding the Fourth Proportional to 247,994.13, 372,039.08 and 105,837.33

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Solution

The fourth proportional to 247,994.13, 372,039.08 and 105,837.33 is: 158,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,994.13 : 372,039.08 = 105,837.33 : x
  2. Step 2: Convert to fraction form
    247,994.13/372,039.08 = 105,837.33/x
  3. Step 3: Cross multiply
    247,994.13x = 372,039.08 × 105,837.33
  4. Step 4: Simplify right side
    247,994.13x = 39,375,622,882.86
  5. Step 5: Solve for x
    x = 39,375,622,882.86/247,994.13
  6. Step 6: Final answer
    x = 158,776.43

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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.