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Finding the Fourth Proportional to 96.03, 143.87 and 92.25

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Solution

The fourth proportional to 96.03, 143.87 and 92.25 is: 138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.03 : 143.87 = 92.25 : x
  2. Step 2: Convert to fraction form
    96.03/143.87 = 92.25/x
  3. Step 3: Cross multiply
    96.03x = 143.87 × 92.25
  4. Step 4: Simplify right side
    96.03x = 13,271.55
  5. Step 5: Solve for x
    x = 13,271.55/96.03
  6. Step 6: Final answer
    x = 138.20

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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.