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Finding the Fourth Proportional to 235.46, 325.01 and 161.99

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Solution

The fourth proportional to 235.46, 325.01 and 161.99 is: 223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.46 : 325.01 = 161.99 : x
  2. Step 2: Convert to fraction form
    235.46/325.01 = 161.99/x
  3. Step 3: Cross multiply
    235.46x = 325.01 × 161.99
  4. Step 4: Simplify right side
    235.46x = 52,648.37
  5. Step 5: Solve for x
    x = 52,648.37/235.46
  6. Step 6: Final answer
    x = 223.60

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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.