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Finding the Fourth Proportional to 239.08, 358.20 and 169.53

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Solution

The fourth proportional to 239.08, 358.20 and 169.53 is: 254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239.08 : 358.20 = 169.53 : x
  2. Step 2: Convert to fraction form
    239.08/358.20 = 169.53/x
  3. Step 3: Cross multiply
    239.08x = 358.20 × 169.53
  4. Step 4: Simplify right side
    239.08x = 60,725.65
  5. Step 5: Solve for x
    x = 60,725.65/239.08
  6. Step 6: Final answer
    x = 254.00

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.