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Finding the Fourth Proportional to 119,355.82, 179,020.38 and 30,611.41

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Solution

The fourth proportional to 119,355.82, 179,020.38 and 30,611.41 is: 45,913.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,355.82 : 179,020.38 = 30,611.41 : x
  2. Step 2: Convert to fraction form
    119,355.82/179,020.38 = 30,611.41/x
  3. Step 3: Cross multiply
    119,355.82x = 179,020.38 × 30,611.41
  4. Step 4: Simplify right side
    119,355.82x = 5,480,066,250.54
  5. Step 5: Solve for x
    x = 5,480,066,250.54/119,355.82
  6. Step 6: Final answer
    x = 45,913.69

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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.