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Finding the Fourth Proportional to 194,824.20, 292,245.90 and 101,512.20

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Solution

The fourth proportional to 194,824.20, 292,245.90 and 101,512.20 is: 152,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,824.20 : 292,245.90 = 101,512.20 : x
  2. Step 2: Convert to fraction form
    194,824.20/292,245.90 = 101,512.20/x
  3. Step 3: Cross multiply
    194,824.20x = 292,245.90 × 101,512.20
  4. Step 4: Simplify right side
    194,824.20x = 29,666,524,249.98
  5. Step 5: Solve for x
    x = 29,666,524,249.98/194,824.20
  6. Step 6: Final answer
    x = 152,273.30

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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.