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Finding the Fourth Proportional to 233.10, 321.24 and 162.93

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Solution

The fourth proportional to 233.10, 321.24 and 162.93 is: 224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.10 : 321.24 = 162.93 : x
  2. Step 2: Convert to fraction form
    233.10/321.24 = 162.93/x
  3. Step 3: Cross multiply
    233.10x = 321.24 × 162.93
  4. Step 4: Simplify right side
    233.10x = 52,339.63
  5. Step 5: Solve for x
    x = 52,339.63/233.10
  6. Step 6: Final answer
    x = 224.54

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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.