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Finding the Fourth Proportional to 162.74, 244.22 and 94.23

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Solution

The fourth proportional to 162.74, 244.22 and 94.23 is: 141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.74 : 244.22 = 94.23 : x
  2. Step 2: Convert to fraction form
    162.74/244.22 = 94.23/x
  3. Step 3: Cross multiply
    162.74x = 244.22 × 94.23
  4. Step 4: Simplify right side
    162.74x = 23,012.38
  5. Step 5: Solve for x
    x = 23,012.38/162.74
  6. Step 6: Final answer
    x = 141.40

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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.