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Finding the Fourth Proportional to 173.85, 260.73 and 58.26

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Solution

The fourth proportional to 173.85, 260.73 and 58.26 is: 87.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.85 : 260.73 = 58.26 : x
  2. Step 2: Convert to fraction form
    173.85/260.73 = 58.26/x
  3. Step 3: Cross multiply
    173.85x = 260.73 × 58.26
  4. Step 4: Simplify right side
    173.85x = 15,190.13
  5. Step 5: Solve for x
    x = 15,190.13/173.85
  6. Step 6: Final answer
    x = 87.37

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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.