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Finding the Fourth Proportional to 67,094.56, 100,651.56 and 20,351.44

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Solution

The fourth proportional to 67,094.56, 100,651.56 and 20,351.44 is: 30,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,094.56 : 100,651.56 = 20,351.44 : x
  2. Step 2: Convert to fraction form
    67,094.56/100,651.56 = 20,351.44/x
  3. Step 3: Cross multiply
    67,094.56x = 100,651.56 × 20,351.44
  4. Step 4: Simplify right side
    67,094.56x = 2,048,404,184.25
  5. Step 5: Solve for x
    x = 2,048,404,184.25/67,094.56
  6. Step 6: Final answer
    x = 30,530.11

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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.