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Finding the Fourth Proportional to 230,161.04, 345,256.44 and 72,396.56

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Solution

The fourth proportional to 230,161.04, 345,256.44 and 72,396.56 is: 108,599.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,161.04 : 345,256.44 = 72,396.56 : x
  2. Step 2: Convert to fraction form
    230,161.04/345,256.44 = 72,396.56/x
  3. Step 3: Cross multiply
    230,161.04x = 345,256.44 × 72,396.56
  4. Step 4: Simplify right side
    230,161.04x = 24,995,378,573.85
  5. Step 5: Solve for x
    x = 24,995,378,573.85/230,161.04
  6. Step 6: Final answer
    x = 108,599.52

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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.