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Finding the Fourth Proportional to 192.04, 288.38 and 159.92

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Solution

The fourth proportional to 192.04, 288.38 and 159.92 is: 240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.04 : 288.38 = 159.92 : x
  2. Step 2: Convert to fraction form
    192.04/288.38 = 159.92/x
  3. Step 3: Cross multiply
    192.04x = 288.38 × 159.92
  4. Step 4: Simplify right side
    192.04x = 46,117.73
  5. Step 5: Solve for x
    x = 46,117.73/192.04
  6. Step 6: Final answer
    x = 240.15

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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.