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Finding the Fourth Proportional to 196.68, 295.32 and 160.28

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Solution

The fourth proportional to 196.68, 295.32 and 160.28 is: 240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.68 : 295.32 = 160.28 : x
  2. Step 2: Convert to fraction form
    196.68/295.32 = 160.28/x
  3. Step 3: Cross multiply
    196.68x = 295.32 × 160.28
  4. Step 4: Simplify right side
    196.68x = 47,333.89
  5. Step 5: Solve for x
    x = 47,333.89/196.68
  6. Step 6: Final answer
    x = 240.66

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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.