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Finding the Fourth Proportional to 95,489.84, 131,781.48 and 55,205.84

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Solution

The fourth proportional to 95,489.84, 131,781.48 and 55,205.84 is: 76,187.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,489.84 : 131,781.48 = 55,205.84 : x
  2. Step 2: Convert to fraction form
    95,489.84/131,781.48 = 55,205.84/x
  3. Step 3: Cross multiply
    95,489.84x = 131,781.48 × 55,205.84
  4. Step 4: Simplify right side
    95,489.84x = 7,275,107,299.84
  5. Step 5: Solve for x
    x = 7,275,107,299.84/95,489.84
  6. Step 6: Final answer
    x = 76,187.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.