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Finding the Fourth Proportional to 192.82, 288.98 and 95.26

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Solution

The fourth proportional to 192.82, 288.98 and 95.26 is: 142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.82 : 288.98 = 95.26 : x
  2. Step 2: Convert to fraction form
    192.82/288.98 = 95.26/x
  3. Step 3: Cross multiply
    192.82x = 288.98 × 95.26
  4. Step 4: Simplify right side
    192.82x = 27,528.23
  5. Step 5: Solve for x
    x = 27,528.23/192.82
  6. Step 6: Final answer
    x = 142.77

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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.