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Finding the Fourth Proportional to 233.91, 352.18 and 173.48

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Solution

The fourth proportional to 233.91, 352.18 and 173.48 is: 261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.91 : 352.18 = 173.48 : x
  2. Step 2: Convert to fraction form
    233.91/352.18 = 173.48/x
  3. Step 3: Cross multiply
    233.91x = 352.18 × 173.48
  4. Step 4: Simplify right side
    233.91x = 61,094.64
  5. Step 5: Solve for x
    x = 61,094.64/233.91
  6. Step 6: Final answer
    x = 261.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.