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Finding the Fourth Proportional to 123,382.80, 185,074.21 and 44,497.03

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Solution

The fourth proportional to 123,382.80, 185,074.21 and 44,497.03 is: 66,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,382.80 : 185,074.21 = 44,497.03 : x
  2. Step 2: Convert to fraction form
    123,382.80/185,074.21 = 44,497.03/x
  3. Step 3: Cross multiply
    123,382.80x = 185,074.21 × 44,497.03
  4. Step 4: Simplify right side
    123,382.80x = 8,235,252,489.40
  5. Step 5: Solve for x
    x = 8,235,252,489.40/123,382.80
  6. Step 6: Final answer
    x = 66,745.55

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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.