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Finding the Fourth Proportional to 249.21, 373.95 and 162.63

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Solution

The fourth proportional to 249.21, 373.95 and 162.63 is: 244.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.21 : 373.95 = 162.63 : x
  2. Step 2: Convert to fraction form
    249.21/373.95 = 162.63/x
  3. Step 3: Cross multiply
    249.21x = 373.95 × 162.63
  4. Step 4: Simplify right side
    249.21x = 60,815.49
  5. Step 5: Solve for x
    x = 60,815.49/249.21
  6. Step 6: Final answer
    x = 244.03

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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.