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Finding the Fourth Proportional to 126,843.84, 174,998.88 and 76,524.48

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Solution

The fourth proportional to 126,843.84, 174,998.88 and 76,524.48 is: 105,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,843.84 : 174,998.88 = 76,524.48 : x
  2. Step 2: Convert to fraction form
    126,843.84/174,998.88 = 76,524.48/x
  3. Step 3: Cross multiply
    126,843.84x = 174,998.88 × 76,524.48
  4. Step 4: Simplify right side
    126,843.84x = 13,391,698,292.58
  5. Step 5: Solve for x
    x = 13,391,698,292.58/126,843.84
  6. Step 6: Final answer
    x = 105,576.26

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