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Finding the Fourth Proportional to 114,694.80, 158,273.70 and 63,711.06

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Solution

The fourth proportional to 114,694.80, 158,273.70 and 63,711.06 is: 87,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,694.80 : 158,273.70 = 63,711.06 : x
  2. Step 2: Convert to fraction form
    114,694.80/158,273.70 = 63,711.06/x
  3. Step 3: Cross multiply
    114,694.80x = 158,273.70 × 63,711.06
  4. Step 4: Simplify right side
    114,694.80x = 10,083,784,364.68
  5. Step 5: Solve for x
    x = 10,083,784,364.68/114,694.80
  6. Step 6: Final answer
    x = 87,918.41

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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.