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Finding the Fourth Proportional to 192.34, 288.27 and 114.14

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Solution

The fourth proportional to 192.34, 288.27 and 114.14 is: 171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.34 : 288.27 = 114.14 : x
  2. Step 2: Convert to fraction form
    192.34/288.27 = 114.14/x
  3. Step 3: Cross multiply
    192.34x = 288.27 × 114.14
  4. Step 4: Simplify right side
    192.34x = 32,902.70
  5. Step 5: Solve for x
    x = 32,902.70/192.34
  6. Step 6: Final answer
    x = 171.07

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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.