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Finding the Fourth Proportional to 129,954.25, 179,336.91 and 73,369.27

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Solution

The fourth proportional to 129,954.25, 179,336.91 and 73,369.27 is: 101,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,954.25 : 179,336.91 = 73,369.27 : x
  2. Step 2: Convert to fraction form
    129,954.25/179,336.91 = 73,369.27/x
  3. Step 3: Cross multiply
    129,954.25x = 179,336.91 × 73,369.27
  4. Step 4: Simplify right side
    129,954.25x = 13,157,818,170.76
  5. Step 5: Solve for x
    x = 13,157,818,170.76/129,954.25
  6. Step 6: Final answer
    x = 101,249.62

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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.