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Finding the Fourth Proportional to 124,611.92, 186,919.25 and 40,371.41

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Solution

The fourth proportional to 124,611.92, 186,919.25 and 40,371.41 is: 60,557.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,611.92 : 186,919.25 = 40,371.41 : x
  2. Step 2: Convert to fraction form
    124,611.92/186,919.25 = 40,371.41/x
  3. Step 3: Cross multiply
    124,611.92x = 186,919.25 × 40,371.41
  4. Step 4: Simplify right side
    124,611.92x = 7,546,193,944.08
  5. Step 5: Solve for x
    x = 7,546,193,944.08/124,611.92
  6. Step 6: Final answer
    x = 60,557.56

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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.