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Finding the Fourth Proportional to 156.73, 234.93 and 110.97

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Solution

The fourth proportional to 156.73, 234.93 and 110.97 is: 166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156.73 : 234.93 = 110.97 : x
  2. Step 2: Convert to fraction form
    156.73/234.93 = 110.97/x
  3. Step 3: Cross multiply
    156.73x = 234.93 × 110.97
  4. Step 4: Simplify right side
    156.73x = 26,068.73
  5. Step 5: Solve for x
    x = 26,068.73/156.73
  6. Step 6: Final answer
    x = 166.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.