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Finding the Fourth Proportional to 162.97, 244.49 and 47.41

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Solution

The fourth proportional to 162.97, 244.49 and 47.41 is: 71.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.97 : 244.49 = 47.41 : x
  2. Step 2: Convert to fraction form
    162.97/244.49 = 47.41/x
  3. Step 3: Cross multiply
    162.97x = 244.49 × 47.41
  4. Step 4: Simplify right side
    162.97x = 11,590.89
  5. Step 5: Solve for x
    x = 11,590.89/162.97
  6. Step 6: Final answer
    x = 71.12

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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.