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Finding the Fourth Proportional to 356,512.75, 534,770.33 and 90,273.14

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Solution

The fourth proportional to 356,512.75, 534,770.33 and 90,273.14 is: 135,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,512.75 : 534,770.33 = 90,273.14 : x
  2. Step 2: Convert to fraction form
    356,512.75/534,770.33 = 90,273.14/x
  3. Step 3: Cross multiply
    356,512.75x = 534,770.33 × 90,273.14
  4. Step 4: Simplify right side
    356,512.75x = 48,275,396,867.94
  5. Step 5: Solve for x
    x = 48,275,396,867.94/356,512.75
  6. Step 6: Final answer
    x = 135,410.02

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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.