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Finding the Fourth Proportional to 175.45, 263.22 and 102.41

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Solution

The fourth proportional to 175.45, 263.22 and 102.41 is: 153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.45 : 263.22 = 102.41 : x
  2. Step 2: Convert to fraction form
    175.45/263.22 = 102.41/x
  3. Step 3: Cross multiply
    175.45x = 263.22 × 102.41
  4. Step 4: Simplify right side
    175.45x = 26,956.36
  5. Step 5: Solve for x
    x = 26,956.36/175.45
  6. Step 6: Final answer
    x = 153.64

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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.