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Finding the Fourth Proportional to 192.37, 288.70 and 96.25

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Solution

The fourth proportional to 192.37, 288.70 and 96.25 is: 144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.37 : 288.70 = 96.25 : x
  2. Step 2: Convert to fraction form
    192.37/288.70 = 96.25/x
  3. Step 3: Cross multiply
    192.37x = 288.70 × 96.25
  4. Step 4: Simplify right side
    192.37x = 27,786.89
  5. Step 5: Solve for x
    x = 27,786.89/192.37
  6. Step 6: Final answer
    x = 144.45

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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.