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Finding the Fourth Proportional to 190.06, 262.10 and 116.34

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Solution

The fourth proportional to 190.06, 262.10 and 116.34 is: 160.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190.06 : 262.10 = 116.34 : x
  2. Step 2: Convert to fraction form
    190.06/262.10 = 116.34/x
  3. Step 3: Cross multiply
    190.06x = 262.10 × 116.34
  4. Step 4: Simplify right side
    190.06x = 30,492.71
  5. Step 5: Solve for x
    x = 30,492.71/190.06
  6. Step 6: Final answer
    x = 160.44

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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.