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Finding the Fourth Proportional to 173.94, 260.89 and 58.39

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Solution

The fourth proportional to 173.94, 260.89 and 58.39 is: 87.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.94 : 260.89 = 58.39 : x
  2. Step 2: Convert to fraction form
    173.94/260.89 = 58.39/x
  3. Step 3: Cross multiply
    173.94x = 260.89 × 58.39
  4. Step 4: Simplify right side
    173.94x = 15,233.37
  5. Step 5: Solve for x
    x = 15,233.37/173.94
  6. Step 6: Final answer
    x = 87.58

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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.