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Finding the Fourth Proportional to 162.54, 224.16 and 146.22

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Solution

The fourth proportional to 162.54, 224.16 and 146.22 is: 201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.54 : 224.16 = 146.22 : x
  2. Step 2: Convert to fraction form
    162.54/224.16 = 146.22/x
  3. Step 3: Cross multiply
    162.54x = 224.16 × 146.22
  4. Step 4: Simplify right side
    162.54x = 32,776.68
  5. Step 5: Solve for x
    x = 32,776.68/162.54
  6. Step 6: Final answer
    x = 201.65

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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.