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Finding the Fourth Proportional to 173.69, 260.46 and 65.44

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Solution

The fourth proportional to 173.69, 260.46 and 65.44 is: 98.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.69 : 260.46 = 65.44 : x
  2. Step 2: Convert to fraction form
    173.69/260.46 = 65.44/x
  3. Step 3: Cross multiply
    173.69x = 260.46 × 65.44
  4. Step 4: Simplify right side
    173.69x = 17,044.50
  5. Step 5: Solve for x
    x = 17,044.50/173.69
  6. Step 6: Final answer
    x = 98.13

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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.