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Finding the Fourth Proportional to 193.02, 288.99 and 164.04

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Solution

The fourth proportional to 193.02, 288.99 and 164.04 is: 245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.02 : 288.99 = 164.04 : x
  2. Step 2: Convert to fraction form
    193.02/288.99 = 164.04/x
  3. Step 3: Cross multiply
    193.02x = 288.99 × 164.04
  4. Step 4: Simplify right side
    193.02x = 47,405.92
  5. Step 5: Solve for x
    x = 47,405.92/193.02
  6. Step 6: Final answer
    x = 245.60

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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.