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Finding the Fourth Proportional to 147.26, 203.27 and 92.05

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Solution

The fourth proportional to 147.26, 203.27 and 92.05 is: 127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.26 : 203.27 = 92.05 : x
  2. Step 2: Convert to fraction form
    147.26/203.27 = 92.05/x
  3. Step 3: Cross multiply
    147.26x = 203.27 × 92.05
  4. Step 4: Simplify right side
    147.26x = 18,711.00
  5. Step 5: Solve for x
    x = 18,711.00/147.26
  6. Step 6: Final answer
    x = 127.06

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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.