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Finding the Fourth Proportional to 273,987.75, 411,104.75 and 174,122.04

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Solution

The fourth proportional to 273,987.75, 411,104.75 and 174,122.04 is: 261,261.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,987.75 : 411,104.75 = 174,122.04 : x
  2. Step 2: Convert to fraction form
    273,987.75/411,104.75 = 174,122.04/x
  3. Step 3: Cross multiply
    273,987.75x = 411,104.75 × 174,122.04
  4. Step 4: Simplify right side
    273,987.75x = 71,582,396,853.08
  5. Step 5: Solve for x
    x = 71,582,396,853.08/273,987.75
  6. Step 6: Final answer
    x = 261,261.30

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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.