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Finding the Fourth Proportional to 271.06, 374.00 and 153.04

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Solution

The fourth proportional to 271.06, 374.00 and 153.04 is: 211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271.06 : 374.00 = 153.04 : x
  2. Step 2: Convert to fraction form
    271.06/374.00 = 153.04/x
  3. Step 3: Cross multiply
    271.06x = 374.00 × 153.04
  4. Step 4: Simplify right side
    271.06x = 57,236.82
  5. Step 5: Solve for x
    x = 57,236.82/271.06
  6. Step 6: Final answer
    x = 211.16

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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.