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Finding the Fourth Proportional to 167.63, 250.36 and 158.32

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Solution

The fourth proportional to 167.63, 250.36 and 158.32 is: 236.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.63 : 250.36 = 158.32 : x
  2. Step 2: Convert to fraction form
    167.63/250.36 = 158.32/x
  3. Step 3: Cross multiply
    167.63x = 250.36 × 158.32
  4. Step 4: Simplify right side
    167.63x = 39,635.74
  5. Step 5: Solve for x
    x = 39,635.74/167.63
  6. Step 6: Final answer
    x = 236.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.