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Finding the Fourth Proportional to 162, 223.58 and 95.62

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Solution

The fourth proportional to 162, 223.58 and 95.62 is: 131.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 223.58 = 95.62 : x
  2. Step 2: Convert to fraction form
    162/223.58 = 95.62/x
  3. Step 3: Cross multiply
    162x = 223.58 × 95.62
  4. Step 4: Simplify right side
    162x = 21,378.72
  5. Step 5: Solve for x
    x = 21,378.72/162
  6. Step 6: Final answer
    x = 131.97

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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.