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Finding the Fourth Proportional to 79,339.22, 119,009.24 and 26,749.16

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Solution

The fourth proportional to 79,339.22, 119,009.24 and 26,749.16 is: 40,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.22 : 119,009.24 = 26,749.16 : x
  2. Step 2: Convert to fraction form
    79,339.22/119,009.24 = 26,749.16/x
  3. Step 3: Cross multiply
    79,339.22x = 119,009.24 × 26,749.16
  4. Step 4: Simplify right side
    79,339.22x = 3,183,397,202.24
  5. Step 5: Solve for x
    x = 3,183,397,202.24/79,339.22
  6. Step 6: Final answer
    x = 40,123.88

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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.