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Finding the Fourth Proportional to 274,364.93, 411,550.86 and 96,747.39

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Solution

The fourth proportional to 274,364.93, 411,550.86 and 96,747.39 is: 145,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,364.93 : 411,550.86 = 96,747.39 : x
  2. Step 2: Convert to fraction form
    274,364.93/411,550.86 = 96,747.39/x
  3. Step 3: Cross multiply
    274,364.93x = 411,550.86 × 96,747.39
  4. Step 4: Simplify right side
    274,364.93x = 39,816,471,073.52
  5. Step 5: Solve for x
    x = 39,816,471,073.52/274,364.93
  6. Step 6: Final answer
    x = 145,122.31

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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.