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Finding the Fourth Proportional to 232.36, 348.43 and 70

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Solution

The fourth proportional to 232.36, 348.43 and 70 is: 104.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.36 : 348.43 = 70 : x
  2. Step 2: Convert to fraction form
    232.36/348.43 = 70/x
  3. Step 3: Cross multiply
    232.36x = 348.43 × 70
  4. Step 4: Simplify right side
    232.36x = 24,390.10
  5. Step 5: Solve for x
    x = 24,390.10/232.36
  6. Step 6: Final answer
    x = 104.97

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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.