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Finding the Fourth Proportional to 234.07, 322.90 and 160.27

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Solution

The fourth proportional to 234.07, 322.90 and 160.27 is: 221.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.07 : 322.90 = 160.27 : x
  2. Step 2: Convert to fraction form
    234.07/322.90 = 160.27/x
  3. Step 3: Cross multiply
    234.07x = 322.90 × 160.27
  4. Step 4: Simplify right side
    234.07x = 51,751.18
  5. Step 5: Solve for x
    x = 51,751.18/234.07
  6. Step 6: Final answer
    x = 221.09

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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.