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Finding the Fourth Proportional to 167.02, 230.46 and 93.34

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Solution

The fourth proportional to 167.02, 230.46 and 93.34 is: 128.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.02 : 230.46 = 93.34 : x
  2. Step 2: Convert to fraction form
    167.02/230.46 = 93.34/x
  3. Step 3: Cross multiply
    167.02x = 230.46 × 93.34
  4. Step 4: Simplify right side
    167.02x = 21,510.30
  5. Step 5: Solve for x
    x = 21,510.30/167.02
  6. Step 6: Final answer
    x = 128.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.