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Finding the Fourth Proportional to 232.06, 348.16 and 69.77

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Solution

The fourth proportional to 232.06, 348.16 and 69.77 is: 104.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.06 : 348.16 = 69.77 : x
  2. Step 2: Convert to fraction form
    232.06/348.16 = 69.77/x
  3. Step 3: Cross multiply
    232.06x = 348.16 × 69.77
  4. Step 4: Simplify right side
    232.06x = 24,290.08
  5. Step 5: Solve for x
    x = 24,290.08/232.06
  6. Step 6: Final answer
    x = 104.67

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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.