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Finding the Fourth Proportional to 300,577.52, 451,094.70 and 111,217.16

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Solution

The fourth proportional to 300,577.52, 451,094.70 and 111,217.16 is: 166,910.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,577.52 : 451,094.70 = 111,217.16 : x
  2. Step 2: Convert to fraction form
    300,577.52/451,094.70 = 111,217.16/x
  3. Step 3: Cross multiply
    300,577.52x = 451,094.70 × 111,217.16
  4. Step 4: Simplify right side
    300,577.52x = 50,169,471,425.05
  5. Step 5: Solve for x
    x = 50,169,471,425.05/300,577.52
  6. Step 6: Final answer
    x = 166,910.26

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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.