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Finding the Fourth Proportional to 276.63, 414.99 and 94.02

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Solution

The fourth proportional to 276.63, 414.99 and 94.02 is: 141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276.63 : 414.99 = 94.02 : x
  2. Step 2: Convert to fraction form
    276.63/414.99 = 94.02/x
  3. Step 3: Cross multiply
    276.63x = 414.99 × 94.02
  4. Step 4: Simplify right side
    276.63x = 39,017.36
  5. Step 5: Solve for x
    x = 39,017.36/276.63
  6. Step 6: Final answer
    x = 141.05

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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.