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Finding the Fourth Proportional to 182.64, 273.90 and 105.63

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Solution

The fourth proportional to 182.64, 273.90 and 105.63 is: 158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.64 : 273.90 = 105.63 : x
  2. Step 2: Convert to fraction form
    182.64/273.90 = 105.63/x
  3. Step 3: Cross multiply
    182.64x = 273.90 × 105.63
  4. Step 4: Simplify right side
    182.64x = 28,932.06
  5. Step 5: Solve for x
    x = 28,932.06/182.64
  6. Step 6: Final answer
    x = 158.41

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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.