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Finding the Fourth Proportional to 243.68, 365.70 and 182.98

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Solution

The fourth proportional to 243.68, 365.70 and 182.98 is: 274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    243.68 : 365.70 = 182.98 : x
  2. Step 2: Convert to fraction form
    243.68/365.70 = 182.98/x
  3. Step 3: Cross multiply
    243.68x = 365.70 × 182.98
  4. Step 4: Simplify right side
    243.68x = 66,914.87
  5. Step 5: Solve for x
    x = 66,914.87/243.68
  6. Step 6: Final answer
    x = 274.60

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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.