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Finding the Fourth Proportional to 277.49, 416.27 and 92.33

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Solution

The fourth proportional to 277.49, 416.27 and 92.33 is: 138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.49 : 416.27 = 92.33 : x
  2. Step 2: Convert to fraction form
    277.49/416.27 = 92.33/x
  3. Step 3: Cross multiply
    277.49x = 416.27 × 92.33
  4. Step 4: Simplify right side
    277.49x = 38,434.21
  5. Step 5: Solve for x
    x = 38,434.21/277.49
  6. Step 6: Final answer
    x = 138.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.