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Finding the Fourth Proportional to 79,571.94, 119,293.56 and 26,230.64

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Solution

The fourth proportional to 79,571.94, 119,293.56 and 26,230.64 is: 39,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,571.94 : 119,293.56 = 26,230.64 : x
  2. Step 2: Convert to fraction form
    79,571.94/119,293.56 = 26,230.64/x
  3. Step 3: Cross multiply
    79,571.94x = 119,293.56 × 26,230.64
  4. Step 4: Simplify right side
    79,571.94x = 3,129,145,830.21
  5. Step 5: Solve for x
    x = 3,129,145,830.21/79,571.94
  6. Step 6: Final answer
    x = 39,324.74

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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.