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Finding the Fourth Proportional to 273,578.76, 410,171.52 and 129,404.64

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Solution

The fourth proportional to 273,578.76, 410,171.52 and 129,404.64 is: 194,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,578.76 : 410,171.52 = 129,404.64 : x
  2. Step 2: Convert to fraction form
    273,578.76/410,171.52 = 129,404.64/x
  3. Step 3: Cross multiply
    273,578.76x = 410,171.52 × 129,404.64
  4. Step 4: Simplify right side
    273,578.76x = 53,078,097,883.85
  5. Step 5: Solve for x
    x = 53,078,097,883.85/273,578.76
  6. Step 6: Final answer
    x = 194,013.96

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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.