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Finding the Fourth Proportional to 277.42, 416.14 and 94.84

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Solution

The fourth proportional to 277.42, 416.14 and 94.84 is: 142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277.42 : 416.14 = 94.84 : x
  2. Step 2: Convert to fraction form
    277.42/416.14 = 94.84/x
  3. Step 3: Cross multiply
    277.42x = 416.14 × 94.84
  4. Step 4: Simplify right side
    277.42x = 39,466.72
  5. Step 5: Solve for x
    x = 39,466.72/277.42
  6. Step 6: Final answer
    x = 142.26

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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.