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Finding the Fourth Proportional to 235.33, 324.92 and 176.45

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Solution

The fourth proportional to 235.33, 324.92 and 176.45 is: 243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.33 : 324.92 = 176.45 : x
  2. Step 2: Convert to fraction form
    235.33/324.92 = 176.45/x
  3. Step 3: Cross multiply
    235.33x = 324.92 × 176.45
  4. Step 4: Simplify right side
    235.33x = 57,329.63
  5. Step 5: Solve for x
    x = 57,329.63/235.33
  6. Step 6: Final answer
    x = 243.62

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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.