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Finding the Fourth Proportional to 126.24, 190.02 and 96.18

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Solution

The fourth proportional to 126.24, 190.02 and 96.18 is: 144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.24 : 190.02 = 96.18 : x
  2. Step 2: Convert to fraction form
    126.24/190.02 = 96.18/x
  3. Step 3: Cross multiply
    126.24x = 190.02 × 96.18
  4. Step 4: Simplify right side
    126.24x = 18,276.12
  5. Step 5: Solve for x
    x = 18,276.12/126.24
  6. Step 6: Final answer
    x = 144.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.