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Finding the Fourth Proportional to 229.42, 316.42 and 182.71

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Solution

The fourth proportional to 229.42, 316.42 and 182.71 is: 252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.42 : 316.42 = 182.71 : x
  2. Step 2: Convert to fraction form
    229.42/316.42 = 182.71/x
  3. Step 3: Cross multiply
    229.42x = 316.42 × 182.71
  4. Step 4: Simplify right side
    229.42x = 57,813.10
  5. Step 5: Solve for x
    x = 57,813.10/229.42
  6. Step 6: Final answer
    x = 252.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.