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Finding the Fourth Proportional to 190.35, 283.77 and 174.96

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Solution

The fourth proportional to 190.35, 283.77 and 174.96 is: 260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.35 : 283.77 = 174.96 : x
  2. Step 2: Convert to fraction form
    190.35/283.77 = 174.96/x
  3. Step 3: Cross multiply
    190.35x = 283.77 × 174.96
  4. Step 4: Simplify right side
    190.35x = 49,648.40
  5. Step 5: Solve for x
    x = 49,648.40/190.35
  6. Step 6: Final answer
    x = 260.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.