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Finding the Fourth Proportional to 144.96, 200.06 and 92.52

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Solution

The fourth proportional to 144.96, 200.06 and 92.52 is: 127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.96 : 200.06 = 92.52 : x
  2. Step 2: Convert to fraction form
    144.96/200.06 = 92.52/x
  3. Step 3: Cross multiply
    144.96x = 200.06 × 92.52
  4. Step 4: Simplify right side
    144.96x = 18,509.55
  5. Step 5: Solve for x
    x = 18,509.55/144.96
  6. Step 6: Final answer
    x = 127.69

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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.