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Finding the Fourth Proportional to 271.45, 374.52 and 160.93

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Solution

The fourth proportional to 271.45, 374.52 and 160.93 is: 222.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.45 : 374.52 = 160.93 : x
  2. Step 2: Convert to fraction form
    271.45/374.52 = 160.93/x
  3. Step 3: Cross multiply
    271.45x = 374.52 × 160.93
  4. Step 4: Simplify right side
    271.45x = 60,271.50
  5. Step 5: Solve for x
    x = 60,271.50/271.45
  6. Step 6: Final answer
    x = 222.04

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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.