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Finding the Fourth Proportional to 358.44, 537.63 and 166.07

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Solution

The fourth proportional to 358.44, 537.63 and 166.07 is: 249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.44 : 537.63 = 166.07 : x
  2. Step 2: Convert to fraction form
    358.44/537.63 = 166.07/x
  3. Step 3: Cross multiply
    358.44x = 537.63 × 166.07
  4. Step 4: Simplify right side
    358.44x = 89,281.53
  5. Step 5: Solve for x
    x = 89,281.53/358.44
  6. Step 6: Final answer
    x = 249.08

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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.