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Finding the Fourth Proportional to 173.65, 260.52 and 65.44

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Solution

The fourth proportional to 173.65, 260.52 and 65.44 is: 98.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.65 : 260.52 = 65.44 : x
  2. Step 2: Convert to fraction form
    173.65/260.52 = 65.44/x
  3. Step 3: Cross multiply
    173.65x = 260.52 × 65.44
  4. Step 4: Simplify right side
    173.65x = 17,048.43
  5. Step 5: Solve for x
    x = 17,048.43/173.65
  6. Step 6: Final answer
    x = 98.18

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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.