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Finding the Fourth Proportional to 300,245.03, 450,431.79 and 110,705.94

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Solution

The fourth proportional to 300,245.03, 450,431.79 and 110,705.94 is: 166,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,245.03 : 450,431.79 = 110,705.94 : x
  2. Step 2: Convert to fraction form
    300,245.03/450,431.79 = 110,705.94/x
  3. Step 3: Cross multiply
    300,245.03x = 450,431.79 × 110,705.94
  4. Step 4: Simplify right side
    300,245.03x = 49,865,474,302.69
  5. Step 5: Solve for x
    x = 49,865,474,302.69/300,245.03
  6. Step 6: Final answer
    x = 166,082.60

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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.