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Finding the Fourth Proportional to 182.35, 273 and 148.18

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Solution

The fourth proportional to 182.35, 273 and 148.18 is: 221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.35 : 273 = 148.18 : x
  2. Step 2: Convert to fraction form
    182.35/273 = 148.18/x
  3. Step 3: Cross multiply
    182.35x = 273 × 148.18
  4. Step 4: Simplify right side
    182.35x = 40,453.14
  5. Step 5: Solve for x
    x = 40,453.14/182.35
  6. Step 6: Final answer
    x = 221.84

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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.