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Finding the Fourth Proportional to 173.56, 260.45 and 96.47

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Solution

The fourth proportional to 173.56, 260.45 and 96.47 is: 144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.56 : 260.45 = 96.47 : x
  2. Step 2: Convert to fraction form
    173.56/260.45 = 96.47/x
  3. Step 3: Cross multiply
    173.56x = 260.45 × 96.47
  4. Step 4: Simplify right side
    173.56x = 25,126.62
  5. Step 5: Solve for x
    x = 25,126.62/173.56
  6. Step 6: Final answer
    x = 144.77

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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.