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Finding the Fourth Proportional to 79,576.72, 119,244.80 and 53,234.32

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Solution

The fourth proportional to 79,576.72, 119,244.80 and 53,234.32 is: 79,771.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,576.72 : 119,244.80 = 53,234.32 : x
  2. Step 2: Convert to fraction form
    79,576.72/119,244.80 = 53,234.32/x
  3. Step 3: Cross multiply
    79,576.72x = 119,244.80 × 53,234.32
  4. Step 4: Simplify right side
    79,576.72x = 6,347,915,841.54
  5. Step 5: Solve for x
    x = 6,347,915,841.54/79,576.72
  6. Step 6: Final answer
    x = 79,771.02

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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.