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Finding the Fourth Proportional to 79,516.62, 119,200.68 and 26,889.30

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Solution

The fourth proportional to 79,516.62, 119,200.68 and 26,889.30 is: 40,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,516.62 : 119,200.68 = 26,889.30 : x
  2. Step 2: Convert to fraction form
    79,516.62/119,200.68 = 26,889.30/x
  3. Step 3: Cross multiply
    79,516.62x = 119,200.68 × 26,889.30
  4. Step 4: Simplify right side
    79,516.62x = 3,205,222,844.72
  5. Step 5: Solve for x
    x = 3,205,222,844.72/79,516.62
  6. Step 6: Final answer
    x = 40,308.84

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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.