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Finding the Fourth Proportional to 79,365.68, 109,524.32 and 43,556.28

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Solution

The fourth proportional to 79,365.68, 109,524.32 and 43,556.28 is: 60,107.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.68 : 109,524.32 = 43,556.28 : x
  2. Step 2: Convert to fraction form
    79,365.68/109,524.32 = 43,556.28/x
  3. Step 3: Cross multiply
    79,365.68x = 109,524.32 × 43,556.28
  4. Step 4: Simplify right side
    79,365.68x = 4,770,471,948.73
  5. Step 5: Solve for x
    x = 4,770,471,948.73/79,365.68
  6. Step 6: Final answer
    x = 60,107.49

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1.5x scale

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.