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Finding the Fourth Proportional to 147.97, 204.24 and 92.67

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Solution

The fourth proportional to 147.97, 204.24 and 92.67 is: 127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147.97 : 204.24 = 92.67 : x
  2. Step 2: Convert to fraction form
    147.97/204.24 = 92.67/x
  3. Step 3: Cross multiply
    147.97x = 204.24 × 92.67
  4. Step 4: Simplify right side
    147.97x = 18,926.92
  5. Step 5: Solve for x
    x = 18,926.92/147.97
  6. Step 6: Final answer
    x = 127.91

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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.