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Finding the Fourth Proportional to 123,694.44, 185,541.19 and 44,790.21

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Solution

The fourth proportional to 123,694.44, 185,541.19 and 44,790.21 is: 67,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,694.44 : 185,541.19 = 44,790.21 : x
  2. Step 2: Convert to fraction form
    123,694.44/185,541.19 = 44,790.21/x
  3. Step 3: Cross multiply
    123,694.44x = 185,541.19 × 44,790.21
  4. Step 4: Simplify right side
    123,694.44x = 8,310,428,863.75
  5. Step 5: Solve for x
    x = 8,310,428,863.75/123,694.44
  6. Step 6: Final answer
    x = 67,185.14

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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.