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Finding the Fourth Proportional to 175.46, 262.94 and 98.43

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Solution

The fourth proportional to 175.46, 262.94 and 98.43 is: 147.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.46 : 262.94 = 98.43 : x
  2. Step 2: Convert to fraction form
    175.46/262.94 = 98.43/x
  3. Step 3: Cross multiply
    175.46x = 262.94 × 98.43
  4. Step 4: Simplify right side
    175.46x = 25,880.69
  5. Step 5: Solve for x
    x = 25,880.69/175.46
  6. Step 6: Final answer
    x = 147.51

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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.