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Finding the Fourth Proportional to 166.76, 250.04 and 64

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Solution

The fourth proportional to 166.76, 250.04 and 64 is: 95.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.76 : 250.04 = 64 : x
  2. Step 2: Convert to fraction form
    166.76/250.04 = 64/x
  3. Step 3: Cross multiply
    166.76x = 250.04 × 64
  4. Step 4: Simplify right side
    166.76x = 16,002.56
  5. Step 5: Solve for x
    x = 16,002.56/166.76
  6. Step 6: Final answer
    x = 95.96

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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.