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Finding the Fourth Proportional to 229.86, 344.91 and 92.95

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Solution

The fourth proportional to 229.86, 344.91 and 92.95 is: 139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.86 : 344.91 = 92.95 : x
  2. Step 2: Convert to fraction form
    229.86/344.91 = 92.95/x
  3. Step 3: Cross multiply
    229.86x = 344.91 × 92.95
  4. Step 4: Simplify right side
    229.86x = 32,058.35
  5. Step 5: Solve for x
    x = 32,058.35/229.86
  6. Step 6: Final answer
    x = 139.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.