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Finding the Fourth Proportional to 79,273.29, 118,922.22 and 26,678.67

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Solution

The fourth proportional to 79,273.29, 118,922.22 and 26,678.67 is: 40,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,273.29 : 118,922.22 = 26,678.67 : x
  2. Step 2: Convert to fraction form
    79,273.29/118,922.22 = 26,678.67/x
  3. Step 3: Cross multiply
    79,273.29x = 118,922.22 × 26,678.67
  4. Step 4: Simplify right side
    79,273.29x = 3,172,686,663.05
  5. Step 5: Solve for x
    x = 3,172,686,663.05/79,273.29
  6. Step 6: Final answer
    x = 40,022.14

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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.