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Finding the Fourth Proportional to 247,014.28, 340,879.62 and 133,837.03

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Solution

The fourth proportional to 247,014.28, 340,879.62 and 133,837.03 is: 184,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,014.28 : 340,879.62 = 133,837.03 : x
  2. Step 2: Convert to fraction form
    247,014.28/340,879.62 = 133,837.03/x
  3. Step 3: Cross multiply
    247,014.28x = 340,879.62 × 133,837.03
  4. Step 4: Simplify right side
    247,014.28x = 45,622,315,928.33
  5. Step 5: Solve for x
    x = 45,622,315,928.33/247,014.28
  6. Step 6: Final answer
    x = 184,695.05

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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.