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Finding the Fourth Proportional to 190.32, 260.93 and 186.67

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Solution

The fourth proportional to 190.32, 260.93 and 186.67 is: 255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.32 : 260.93 = 186.67 : x
  2. Step 2: Convert to fraction form
    190.32/260.93 = 186.67/x
  3. Step 3: Cross multiply
    190.32x = 260.93 × 186.67
  4. Step 4: Simplify right side
    190.32x = 48,707.80
  5. Step 5: Solve for x
    x = 48,707.80/190.32
  6. Step 6: Final answer
    x = 255.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.