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Finding the Fourth Proportional to 150,957.25, 207,960.94 and 105,550.27

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Solution

The fourth proportional to 150,957.25, 207,960.94 and 105,550.27 is: 145,407.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,957.25 : 207,960.94 = 105,550.27 : x
  2. Step 2: Convert to fraction form
    150,957.25/207,960.94 = 105,550.27/x
  3. Step 3: Cross multiply
    150,957.25x = 207,960.94 × 105,550.27
  4. Step 4: Simplify right side
    150,957.25x = 21,950,333,366.45
  5. Step 5: Solve for x
    x = 21,950,333,366.45/150,957.25
  6. Step 6: Final answer
    x = 145,407.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.