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Finding the Fourth Proportional to 271.09, 373.99 and 160.52

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Solution

The fourth proportional to 271.09, 373.99 and 160.52 is: 221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.09 : 373.99 = 160.52 : x
  2. Step 2: Convert to fraction form
    271.09/373.99 = 160.52/x
  3. Step 3: Cross multiply
    271.09x = 373.99 × 160.52
  4. Step 4: Simplify right side
    271.09x = 60,032.87
  5. Step 5: Solve for x
    x = 60,032.87/271.09
  6. Step 6: Final answer
    x = 221.45

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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.