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Finding the Fourth Proportional to 160.22, 240.24 and 156.62

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Solution

The fourth proportional to 160.22, 240.24 and 156.62 is: 234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.22 : 240.24 = 156.62 : x
  2. Step 2: Convert to fraction form
    160.22/240.24 = 156.62/x
  3. Step 3: Cross multiply
    160.22x = 240.24 × 156.62
  4. Step 4: Simplify right side
    160.22x = 37,626.39
  5. Step 5: Solve for x
    x = 37,626.39/160.22
  6. Step 6: Final answer
    x = 234.84

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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.