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Finding the Fourth Proportional to 192.07, 288.06 and 94.51

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Solution

The fourth proportional to 192.07, 288.06 and 94.51 is: 141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.07 : 288.06 = 94.51 : x
  2. Step 2: Convert to fraction form
    192.07/288.06 = 94.51/x
  3. Step 3: Cross multiply
    192.07x = 288.06 × 94.51
  4. Step 4: Simplify right side
    192.07x = 27,224.55
  5. Step 5: Solve for x
    x = 27,224.55/192.07
  6. Step 6: Final answer
    x = 141.74

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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.