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Finding the Fourth Proportional to 192.04, 287.88 and 95.92

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Solution

The fourth proportional to 192.04, 287.88 and 95.92 is: 143.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.04 : 287.88 = 95.92 : x
  2. Step 2: Convert to fraction form
    192.04/287.88 = 95.92/x
  3. Step 3: Cross multiply
    192.04x = 287.88 × 95.92
  4. Step 4: Simplify right side
    192.04x = 27,613.45
  5. Step 5: Solve for x
    x = 27,613.45/192.04
  6. Step 6: Final answer
    x = 143.79

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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.