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Finding the Fourth Proportional to 123,578.62, 185,382.33 and 44,729.98

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Solution

The fourth proportional to 123,578.62, 185,382.33 and 44,729.98 is: 67,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,578.62 : 185,382.33 = 44,729.98 : x
  2. Step 2: Convert to fraction form
    123,578.62/185,382.33 = 44,729.98/x
  3. Step 3: Cross multiply
    123,578.62x = 185,382.33 × 44,729.98
  4. Step 4: Simplify right side
    123,578.62x = 8,292,147,913.25
  5. Step 5: Solve for x
    x = 8,292,147,913.25/123,578.62
  6. Step 6: Final answer
    x = 67,100.18

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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.