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Finding the Fourth Proportional to 193.16, 288.93 and 174.23

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Solution

The fourth proportional to 193.16, 288.93 and 174.23 is: 260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.16 : 288.93 = 174.23 : x
  2. Step 2: Convert to fraction form
    193.16/288.93 = 174.23/x
  3. Step 3: Cross multiply
    193.16x = 288.93 × 174.23
  4. Step 4: Simplify right side
    193.16x = 50,340.27
  5. Step 5: Solve for x
    x = 50,340.27/193.16
  6. Step 6: Final answer
    x = 260.61

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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.