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Finding the Fourth Proportional to 192.47, 263.92 and 190.04

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Solution

The fourth proportional to 192.47, 263.92 and 190.04 is: 260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.47 : 263.92 = 190.04 : x
  2. Step 2: Convert to fraction form
    192.47/263.92 = 190.04/x
  3. Step 3: Cross multiply
    192.47x = 263.92 × 190.04
  4. Step 4: Simplify right side
    192.47x = 50,154.41
  5. Step 5: Solve for x
    x = 50,154.41/192.47
  6. Step 6: Final answer
    x = 260.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.