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Finding the Fourth Proportional to 173.43, 260.22 and 96.45

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Solution

The fourth proportional to 173.43, 260.22 and 96.45 is: 144.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.43 : 260.22 = 96.45 : x
  2. Step 2: Convert to fraction form
    173.43/260.22 = 96.45/x
  3. Step 3: Cross multiply
    173.43x = 260.22 × 96.45
  4. Step 4: Simplify right side
    173.43x = 25,098.22
  5. Step 5: Solve for x
    x = 25,098.22/173.43
  6. Step 6: Final answer
    x = 144.72

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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.