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Finding the Fourth Proportional to 192.24, 288.44 and 64

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Solution

The fourth proportional to 192.24, 288.44 and 64 is: 96.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.24 : 288.44 = 64 : x
  2. Step 2: Convert to fraction form
    192.24/288.44 = 64/x
  3. Step 3: Cross multiply
    192.24x = 288.44 × 64
  4. Step 4: Simplify right side
    192.24x = 18,460.16
  5. Step 5: Solve for x
    x = 18,460.16/192.24
  6. Step 6: Final answer
    x = 96.03

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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.