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Finding the Fourth Proportional to 162.26, 223.94 and 96.77

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Solution

The fourth proportional to 162.26, 223.94 and 96.77 is: 133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.26 : 223.94 = 96.77 : x
  2. Step 2: Convert to fraction form
    162.26/223.94 = 96.77/x
  3. Step 3: Cross multiply
    162.26x = 223.94 × 96.77
  4. Step 4: Simplify right side
    162.26x = 21,670.67
  5. Step 5: Solve for x
    x = 21,670.67/162.26
  6. Step 6: Final answer
    x = 133.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.