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Finding the Fourth Proportional to 79,718.80, 119,592.92 and 32,975.32

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Solution

The fourth proportional to 79,718.80, 119,592.92 and 32,975.32 is: 49,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,718.80 : 119,592.92 = 32,975.32 : x
  2. Step 2: Convert to fraction form
    79,718.80/119,592.92 = 32,975.32/x
  3. Step 3: Cross multiply
    79,718.80x = 119,592.92 × 32,975.32
  4. Step 4: Simplify right side
    79,718.80x = 3,943,614,853.18
  5. Step 5: Solve for x
    x = 3,943,614,853.18/79,718.80
  6. Step 6: Final answer
    x = 49,469.07

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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.