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Finding the Fourth Proportional to 192.29, 287.04 and 167.99

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Solution

The fourth proportional to 192.29, 287.04 and 167.99 is: 250.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.29 : 287.04 = 167.99 : x
  2. Step 2: Convert to fraction form
    192.29/287.04 = 167.99/x
  3. Step 3: Cross multiply
    192.29x = 287.04 × 167.99
  4. Step 4: Simplify right side
    192.29x = 48,219.01
  5. Step 5: Solve for x
    x = 48,219.01/192.29
  6. Step 6: Final answer
    x = 250.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.