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Finding the Fourth Proportional to 123,481.40, 185,112.08 and 44,578.06

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Solution

The fourth proportional to 123,481.40, 185,112.08 and 44,578.06 is: 66,827.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,481.40 : 185,112.08 = 44,578.06 : x
  2. Step 2: Convert to fraction form
    123,481.40/185,112.08 = 44,578.06/x
  3. Step 3: Cross multiply
    123,481.40x = 185,112.08 × 44,578.06
  4. Step 4: Simplify right side
    123,481.40x = 8,251,937,408.96
  5. Step 5: Solve for x
    x = 8,251,937,408.96/123,481.40
  6. Step 6: Final answer
    x = 66,827.37

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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.