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Finding the Fourth Proportional to 166.24, 249.36 and 58.02

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Solution

The fourth proportional to 166.24, 249.36 and 58.02 is: 87.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.24 : 249.36 = 58.02 : x
  2. Step 2: Convert to fraction form
    166.24/249.36 = 58.02/x
  3. Step 3: Cross multiply
    166.24x = 249.36 × 58.02
  4. Step 4: Simplify right side
    166.24x = 14,467.58
  5. Step 5: Solve for x
    x = 14,467.58/166.24
  6. Step 6: Final answer
    x = 87.03

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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.