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Finding the Fourth Proportional to 232.49, 348.74 and 70.17

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Solution

The fourth proportional to 232.49, 348.74 and 70.17 is: 105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.49 : 348.74 = 70.17 : x
  2. Step 2: Convert to fraction form
    232.49/348.74 = 70.17/x
  3. Step 3: Cross multiply
    232.49x = 348.74 × 70.17
  4. Step 4: Simplify right side
    232.49x = 24,471.65
  5. Step 5: Solve for x
    x = 24,471.65/232.49
  6. Step 6: Final answer
    x = 105.26

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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.