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Finding the Fourth Proportional to 188.46, 283.23 and 169.02

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Solution

The fourth proportional to 188.46, 283.23 and 169.02 is: 254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188.46 : 283.23 = 169.02 : x
  2. Step 2: Convert to fraction form
    188.46/283.23 = 169.02/x
  3. Step 3: Cross multiply
    188.46x = 283.23 × 169.02
  4. Step 4: Simplify right side
    188.46x = 47,871.53
  5. Step 5: Solve for x
    x = 47,871.53/188.46
  6. Step 6: Final answer
    x = 254.01

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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.