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Finding the Fourth Proportional to 250,543.44, 375,805.44 and 82,076.40

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Solution

The fourth proportional to 250,543.44, 375,805.44 and 82,076.40 is: 123,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,543.44 : 375,805.44 = 82,076.40 : x
  2. Step 2: Convert to fraction form
    250,543.44/375,805.44 = 82,076.40/x
  3. Step 3: Cross multiply
    250,543.44x = 375,805.44 × 82,076.40
  4. Step 4: Simplify right side
    250,543.44x = 30,844,757,615.62
  5. Step 5: Solve for x
    x = 30,844,757,615.62/250,543.44
  6. Step 6: Final answer
    x = 123,111.42

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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.