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Finding the Fourth Proportional to 175.44, 262.74 and 98.46

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Solution

The fourth proportional to 175.44, 262.74 and 98.46 is: 147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.44 : 262.74 = 98.46 : x
  2. Step 2: Convert to fraction form
    175.44/262.74 = 98.46/x
  3. Step 3: Cross multiply
    175.44x = 262.74 × 98.46
  4. Step 4: Simplify right side
    175.44x = 25,869.38
  5. Step 5: Solve for x
    x = 25,869.38/175.44
  6. Step 6: Final answer
    x = 147.45

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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.