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Finding the Fourth Proportional to 270,513.60, 405,550.56 and 112,859.52

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Solution

The fourth proportional to 270,513.60, 405,550.56 and 112,859.52 is: 169,197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,513.60 : 405,550.56 = 112,859.52 : x
  2. Step 2: Convert to fraction form
    270,513.60/405,550.56 = 112,859.52/x
  3. Step 3: Cross multiply
    270,513.60x = 405,550.56 × 112,859.52
  4. Step 4: Simplify right side
    270,513.60x = 45,770,241,537.33
  5. Step 5: Solve for x
    x = 45,770,241,537.33/270,513.60
  6. Step 6: Final answer
    x = 169,197.56

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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.