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Finding the Fourth Proportional to 110.48, 152.48 and 92.24

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Solution

The fourth proportional to 110.48, 152.48 and 92.24 is: 127.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.48 : 152.48 = 92.24 : x
  2. Step 2: Convert to fraction form
    110.48/152.48 = 92.24/x
  3. Step 3: Cross multiply
    110.48x = 152.48 × 92.24
  4. Step 4: Simplify right side
    110.48x = 14,064.76
  5. Step 5: Solve for x
    x = 14,064.76/110.48
  6. Step 6: Final answer
    x = 127.31

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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.