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Finding the Fourth Proportional to 232.95, 349.43 and 70.59

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Solution

The fourth proportional to 232.95, 349.43 and 70.59 is: 105.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.95 : 349.43 = 70.59 : x
  2. Step 2: Convert to fraction form
    232.95/349.43 = 70.59/x
  3. Step 3: Cross multiply
    232.95x = 349.43 × 70.59
  4. Step 4: Simplify right side
    232.95x = 24,667.22
  5. Step 5: Solve for x
    x = 24,667.22/232.95
  6. Step 6: Final answer
    x = 105.89

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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.