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Finding the Fourth Proportional to 235.99, 354.08 and 114.24

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Solution

The fourth proportional to 235.99, 354.08 and 114.24 is: 171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.99 : 354.08 = 114.24 : x
  2. Step 2: Convert to fraction form
    235.99/354.08 = 114.24/x
  3. Step 3: Cross multiply
    235.99x = 354.08 × 114.24
  4. Step 4: Simplify right side
    235.99x = 40,450.10
  5. Step 5: Solve for x
    x = 40,450.10/235.99
  6. Step 6: Final answer
    x = 171.41

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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.