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Finding the Fourth Proportional to 123,550.25, 185,255.13 and 48,629.78

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Solution

The fourth proportional to 123,550.25, 185,255.13 and 48,629.78 is: 72,917.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,550.25 : 185,255.13 = 48,629.78 : x
  2. Step 2: Convert to fraction form
    123,550.25/185,255.13 = 48,629.78/x
  3. Step 3: Cross multiply
    123,550.25x = 185,255.13 × 48,629.78
  4. Step 4: Simplify right side
    123,550.25x = 9,008,915,893.02
  5. Step 5: Solve for x
    x = 9,008,915,893.02/123,550.25
  6. Step 6: Final answer
    x = 72,917.02

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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.