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Finding the Fourth Proportional to 182.01, 250.90 and 142.58

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Solution

The fourth proportional to 182.01, 250.90 and 142.58 is: 196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.01 : 250.90 = 142.58 : x
  2. Step 2: Convert to fraction form
    182.01/250.90 = 142.58/x
  3. Step 3: Cross multiply
    182.01x = 250.90 × 142.58
  4. Step 4: Simplify right side
    182.01x = 35,772.18
  5. Step 5: Solve for x
    x = 35,772.18/182.01
  6. Step 6: Final answer
    x = 196.54

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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.