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Finding the Fourth Proportional to 162.74, 244.33 and 94.32

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Solution

The fourth proportional to 162.74, 244.33 and 94.32 is: 141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.74 : 244.33 = 94.32 : x
  2. Step 2: Convert to fraction form
    162.74/244.33 = 94.32/x
  3. Step 3: Cross multiply
    162.74x = 244.33 × 94.32
  4. Step 4: Simplify right side
    162.74x = 23,044.97
  5. Step 5: Solve for x
    x = 23,044.97/162.74
  6. Step 6: Final answer
    x = 141.60

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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.