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Finding the Fourth Proportional to 229.96, 345 and 184.12

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Solution

The fourth proportional to 229.96, 345 and 184.12 is: 276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.96 : 345 = 184.12 : x
  2. Step 2: Convert to fraction form
    229.96/345 = 184.12/x
  3. Step 3: Cross multiply
    229.96x = 345 × 184.12
  4. Step 4: Simplify right side
    229.96x = 63,521.40
  5. Step 5: Solve for x
    x = 63,521.40/229.96
  6. Step 6: Final answer
    x = 276.23

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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.