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Finding the Fourth Proportional to 191.49, 264.56 and 162.33

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Solution

The fourth proportional to 191.49, 264.56 and 162.33 is: 224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.49 : 264.56 = 162.33 : x
  2. Step 2: Convert to fraction form
    191.49/264.56 = 162.33/x
  3. Step 3: Cross multiply
    191.49x = 264.56 × 162.33
  4. Step 4: Simplify right side
    191.49x = 42,946.02
  5. Step 5: Solve for x
    x = 42,946.02/191.49
  6. Step 6: Final answer
    x = 224.27

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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.