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Finding the Fourth Proportional to 182.94, 274.40 and 45.98

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Solution

The fourth proportional to 182.94, 274.40 and 45.98 is: 68.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.94 : 274.40 = 45.98 : x
  2. Step 2: Convert to fraction form
    182.94/274.40 = 45.98/x
  3. Step 3: Cross multiply
    182.94x = 274.40 × 45.98
  4. Step 4: Simplify right side
    182.94x = 12,616.68
  5. Step 5: Solve for x
    x = 12,616.68/182.94
  6. Step 6: Final answer
    x = 68.97

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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.