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Finding the Fourth Proportional to 232.41, 348.61 and 70.11

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Solution

The fourth proportional to 232.41, 348.61 and 70.11 is: 105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.41 : 348.61 = 70.11 : x
  2. Step 2: Convert to fraction form
    232.41/348.61 = 70.11/x
  3. Step 3: Cross multiply
    232.41x = 348.61 × 70.11
  4. Step 4: Simplify right side
    232.41x = 24,441.05
  5. Step 5: Solve for x
    x = 24,441.05/232.41
  6. Step 6: Final answer
    x = 105.16

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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.