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Finding the Fourth Proportional to 242,388.41, 363,599.21 and 82,399.23

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Solution

The fourth proportional to 242,388.41, 363,599.21 and 82,399.23 is: 123,604.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,388.41 : 363,599.21 = 82,399.23 : x
  2. Step 2: Convert to fraction form
    242,388.41/363,599.21 = 82,399.23/x
  3. Step 3: Cross multiply
    242,388.41x = 363,599.21 × 82,399.23
  4. Step 4: Simplify right side
    242,388.41x = 29,960,295,138.61
  5. Step 5: Solve for x
    x = 29,960,295,138.61/242,388.41
  6. Step 6: Final answer
    x = 123,604.49

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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.