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Finding the Fourth Proportional to 192.93, 289.29 and 132.08

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Solution

The fourth proportional to 192.93, 289.29 and 132.08 is: 198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.93 : 289.29 = 132.08 : x
  2. Step 2: Convert to fraction form
    192.93/289.29 = 132.08/x
  3. Step 3: Cross multiply
    192.93x = 289.29 × 132.08
  4. Step 4: Simplify right side
    192.93x = 38,209.42
  5. Step 5: Solve for x
    x = 38,209.42/192.93
  6. Step 6: Final answer
    x = 198.05

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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.