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Finding the Fourth Proportional to 79,914.44, 119,871.72 and 27,324.32

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Solution

The fourth proportional to 79,914.44, 119,871.72 and 27,324.32 is: 40,986.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,914.44 : 119,871.72 = 27,324.32 : x
  2. Step 2: Convert to fraction form
    79,914.44/119,871.72 = 27,324.32/x
  3. Step 3: Cross multiply
    79,914.44x = 119,871.72 × 27,324.32
  4. Step 4: Simplify right side
    79,914.44x = 3,275,413,236.23
  5. Step 5: Solve for x
    x = 3,275,413,236.23/79,914.44
  6. Step 6: Final answer
    x = 40,986.50

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1.5x scale

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.