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Finding the Fourth Proportional to 358.26, 537.48 and 166.02

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Solution

The fourth proportional to 358.26, 537.48 and 166.02 is: 249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.26 : 537.48 = 166.02 : x
  2. Step 2: Convert to fraction form
    358.26/537.48 = 166.02/x
  3. Step 3: Cross multiply
    358.26x = 537.48 × 166.02
  4. Step 4: Simplify right side
    358.26x = 89,232.43
  5. Step 5: Solve for x
    x = 89,232.43/358.26
  6. Step 6: Final answer
    x = 249.07

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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.