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Finding the Fourth Proportional to 162, 223.59 and 95.63

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Solution

The fourth proportional to 162, 223.59 and 95.63 is: 131.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 223.59 = 95.63 : x
  2. Step 2: Convert to fraction form
    162/223.59 = 95.63/x
  3. Step 3: Cross multiply
    162x = 223.59 × 95.63
  4. Step 4: Simplify right side
    162x = 21,381.60
  5. Step 5: Solve for x
    x = 21,381.60/162
  6. Step 6: Final answer
    x = 131.99

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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.