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Finding the Fourth Proportional to 162.53, 224.08 and 118.33

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Solution

The fourth proportional to 162.53, 224.08 and 118.33 is: 163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.53 : 224.08 = 118.33 : x
  2. Step 2: Convert to fraction form
    162.53/224.08 = 118.33/x
  3. Step 3: Cross multiply
    162.53x = 224.08 × 118.33
  4. Step 4: Simplify right side
    162.53x = 26,515.39
  5. Step 5: Solve for x
    x = 26,515.39/162.53
  6. Step 6: Final answer
    x = 163.14

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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.