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Finding the Fourth Proportional to 273,491.08, 410,184.54 and 115,830.28

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Solution

The fourth proportional to 273,491.08, 410,184.54 and 115,830.28 is: 173,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,491.08 : 410,184.54 = 115,830.28 : x
  2. Step 2: Convert to fraction form
    273,491.08/410,184.54 = 115,830.28/x
  3. Step 3: Cross multiply
    273,491.08x = 410,184.54 × 115,830.28
  4. Step 4: Simplify right side
    273,491.08x = 47,511,790,119.87
  5. Step 5: Solve for x
    x = 47,511,790,119.87/273,491.08
  6. Step 6: Final answer
    x = 173,723.36

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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.