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Finding the Fourth Proportional to 212,245.44, 318,369.60 and 101,100.48

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Solution

The fourth proportional to 212,245.44, 318,369.60 and 101,100.48 is: 151,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,245.44 : 318,369.60 = 101,100.48 : x
  2. Step 2: Convert to fraction form
    212,245.44/318,369.60 = 101,100.48/x
  3. Step 3: Cross multiply
    212,245.44x = 318,369.60 × 101,100.48
  4. Step 4: Simplify right side
    212,245.44x = 32,187,319,377.41
  5. Step 5: Solve for x
    x = 32,187,319,377.41/212,245.44
  6. Step 6: Final answer
    x = 151,651.41

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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.