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Finding the Fourth Proportional to 190.67, 263.19 and 116.01

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Solution

The fourth proportional to 190.67, 263.19 and 116.01 is: 160.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.67 : 263.19 = 116.01 : x
  2. Step 2: Convert to fraction form
    190.67/263.19 = 116.01/x
  3. Step 3: Cross multiply
    190.67x = 263.19 × 116.01
  4. Step 4: Simplify right side
    190.67x = 30,532.67
  5. Step 5: Solve for x
    x = 30,532.67/190.67
  6. Step 6: Final answer
    x = 160.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.