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Finding the Fourth Proportional to 110.57, 152.73 and 92.25

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Solution

The fourth proportional to 110.57, 152.73 and 92.25 is: 127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.57 : 152.73 = 92.25 : x
  2. Step 2: Convert to fraction form
    110.57/152.73 = 92.25/x
  3. Step 3: Cross multiply
    110.57x = 152.73 × 92.25
  4. Step 4: Simplify right side
    110.57x = 14,089.34
  5. Step 5: Solve for x
    x = 14,089.34/110.57
  6. Step 6: Final answer
    x = 127.43

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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.