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Finding the Fourth Proportional to 79,267.27, 118,913.20 and 26,672.65

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Solution

The fourth proportional to 79,267.27, 118,913.20 and 26,672.65 is: 40,013.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.27 : 118,913.20 = 26,672.65 : x
  2. Step 2: Convert to fraction form
    79,267.27/118,913.20 = 26,672.65/x
  3. Step 3: Cross multiply
    79,267.27x = 118,913.20 × 26,672.65
  4. Step 4: Simplify right side
    79,267.27x = 3,171,729,800.02
  5. Step 5: Solve for x
    x = 3,171,729,800.02/79,267.27
  6. Step 6: Final answer
    x = 40,013.11

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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.