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Finding the Fourth Proportional to 166.23, 250.02 and 141.93

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Solution

The fourth proportional to 166.23, 250.02 and 141.93 is: 213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.23 : 250.02 = 141.93 : x
  2. Step 2: Convert to fraction form
    166.23/250.02 = 141.93/x
  3. Step 3: Cross multiply
    166.23x = 250.02 × 141.93
  4. Step 4: Simplify right side
    166.23x = 35,485.34
  5. Step 5: Solve for x
    x = 35,485.34/166.23
  6. Step 6: Final answer
    x = 213.47

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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.