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Finding the Fourth Proportional to 292.99, 404.33 and 162

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Solution

The fourth proportional to 292.99, 404.33 and 162 is: 223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.99 : 404.33 = 162 : x
  2. Step 2: Convert to fraction form
    292.99/404.33 = 162/x
  3. Step 3: Cross multiply
    292.99x = 404.33 × 162
  4. Step 4: Simplify right side
    292.99x = 65,501.33
  5. Step 5: Solve for x
    x = 65,501.33/292.99
  6. Step 6: Final answer
    x = 223.56

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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.