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Finding the Fourth Proportional to 123,843.36, 185,755.32 and 44,975.28

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Solution

The fourth proportional to 123,843.36, 185,755.32 and 44,975.28 is: 67,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,843.36 : 185,755.32 = 44,975.28 : x
  2. Step 2: Convert to fraction form
    123,843.36/185,755.32 = 44,975.28/x
  3. Step 3: Cross multiply
    123,843.36x = 185,755.32 × 44,975.28
  4. Step 4: Simplify right side
    123,843.36x = 8,354,397,528.49
  5. Step 5: Solve for x
    x = 8,354,397,528.49/123,843.36
  6. Step 6: Final answer
    x = 67,459.39

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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.