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Finding the Fourth Proportional to 83,725.54, 125,578.36 and 27,551.72

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Solution

The fourth proportional to 83,725.54, 125,578.36 and 27,551.72 is: 41,324.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,725.54 : 125,578.36 = 27,551.72 : x
  2. Step 2: Convert to fraction form
    83,725.54/125,578.36 = 27,551.72/x
  3. Step 3: Cross multiply
    83,725.54x = 125,578.36 × 27,551.72
  4. Step 4: Simplify right side
    83,725.54x = 3,459,899,812.78
  5. Step 5: Solve for x
    x = 3,459,899,812.78/83,725.54
  6. Step 6: Final answer
    x = 41,324.31

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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.