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Finding the Fourth Proportional to 348.99, 523.35 and 114.67

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Solution

The fourth proportional to 348.99, 523.35 and 114.67 is: 171.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.99 : 523.35 = 114.67 : x
  2. Step 2: Convert to fraction form
    348.99/523.35 = 114.67/x
  3. Step 3: Cross multiply
    348.99x = 523.35 × 114.67
  4. Step 4: Simplify right side
    348.99x = 60,013.41
  5. Step 5: Solve for x
    x = 60,013.41/348.99
  6. Step 6: Final answer
    x = 171.96

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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.