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Finding the Fourth Proportional to 173.04, 238.76 and 104.08

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Solution

The fourth proportional to 173.04, 238.76 and 104.08 is: 143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.04 : 238.76 = 104.08 : x
  2. Step 2: Convert to fraction form
    173.04/238.76 = 104.08/x
  3. Step 3: Cross multiply
    173.04x = 238.76 × 104.08
  4. Step 4: Simplify right side
    173.04x = 24,850.14
  5. Step 5: Solve for x
    x = 24,850.14/173.04
  6. Step 6: Final answer
    x = 143.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.