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Finding the Fourth Proportional to 247,085.44, 340,979.95 and 133,908.19

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Solution

The fourth proportional to 247,085.44, 340,979.95 and 133,908.19 is: 184,794.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,085.44 : 340,979.95 = 133,908.19 : x
  2. Step 2: Convert to fraction form
    247,085.44/340,979.95 = 133,908.19/x
  3. Step 3: Cross multiply
    247,085.44x = 340,979.95 × 133,908.19
  4. Step 4: Simplify right side
    247,085.44x = 45,660,007,622.34
  5. Step 5: Solve for x
    x = 45,660,007,622.34/247,085.44
  6. Step 6: Final answer
    x = 184,794.41

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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.