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Finding the Fourth Proportional to 300,571.16, 450,886.85 and 111,081.34

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Solution

The fourth proportional to 300,571.16, 450,886.85 and 111,081.34 is: 166,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,571.16 : 450,886.85 = 111,081.34 : x
  2. Step 2: Convert to fraction form
    300,571.16/450,886.85 = 111,081.34/x
  3. Step 3: Cross multiply
    300,571.16x = 450,886.85 × 111,081.34
  4. Step 4: Simplify right side
    300,571.16x = 50,085,112,676.54
  5. Step 5: Solve for x
    x = 50,085,112,676.54/300,571.16
  6. Step 6: Final answer
    x = 166,633.13

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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.