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Finding the Fourth Proportional to 115.37, 173.04 and 46.84

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Solution

The fourth proportional to 115.37, 173.04 and 46.84 is: 70.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115.37 : 173.04 = 46.84 : x
  2. Step 2: Convert to fraction form
    115.37/173.04 = 46.84/x
  3. Step 3: Cross multiply
    115.37x = 173.04 × 46.84
  4. Step 4: Simplify right side
    115.37x = 8,104.33
  5. Step 5: Solve for x
    x = 8,104.33/115.37
  6. Step 6: Final answer
    x = 70.25

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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.