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Finding the Fourth Proportional to 173.29, 260.01 and 70.62

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Solution

The fourth proportional to 173.29, 260.01 and 70.62 is: 105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.29 : 260.01 = 70.62 : x
  2. Step 2: Convert to fraction form
    173.29/260.01 = 70.62/x
  3. Step 3: Cross multiply
    173.29x = 260.01 × 70.62
  4. Step 4: Simplify right side
    173.29x = 18,362.39
  5. Step 5: Solve for x
    x = 18,362.39/173.29
  6. Step 6: Final answer
    x = 105.96

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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.