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Finding the Fourth Proportional to 149.06, 223.50 and 95.02

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Solution

The fourth proportional to 149.06, 223.50 and 95.02 is: 142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    149.06 : 223.50 = 95.02 : x
  2. Step 2: Convert to fraction form
    149.06/223.50 = 95.02/x
  3. Step 3: Cross multiply
    149.06x = 223.50 × 95.02
  4. Step 4: Simplify right side
    149.06x = 21,236.97
  5. Step 5: Solve for x
    x = 21,236.97/149.06
  6. Step 6: Final answer
    x = 142.47

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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.