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Finding the Fourth Proportional to 84,201.87, 116,201.39 and 45,963.68

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Solution

The fourth proportional to 84,201.87, 116,201.39 and 45,963.68 is: 63,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,201.87 : 116,201.39 = 45,963.68 : x
  2. Step 2: Convert to fraction form
    84,201.87/116,201.39 = 45,963.68/x
  3. Step 3: Cross multiply
    84,201.87x = 116,201.39 × 45,963.68
  4. Step 4: Simplify right side
    84,201.87x = 5,341,042,694.69
  5. Step 5: Solve for x
    x = 5,341,042,694.69/84,201.87
  6. Step 6: Final answer
    x = 63,431.41

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1.5x scale

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.