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Finding the Fourth Proportional to 234.14, 322.88 and 201.07

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Solution

The fourth proportional to 234.14, 322.88 and 201.07 is: 277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.14 : 322.88 = 201.07 : x
  2. Step 2: Convert to fraction form
    234.14/322.88 = 201.07/x
  3. Step 3: Cross multiply
    234.14x = 322.88 × 201.07
  4. Step 4: Simplify right side
    234.14x = 64,919.87
  5. Step 5: Solve for x
    x = 64,919.87/234.14
  6. Step 6: Final answer
    x = 277.27

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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.