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Finding the Fourth Proportional to 181,850.97, 250,954.28 and 105,414.43

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Solution

The fourth proportional to 181,850.97, 250,954.28 and 105,414.43 is: 145,471.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,850.97 : 250,954.28 = 105,414.43 : x
  2. Step 2: Convert to fraction form
    181,850.97/250,954.28 = 105,414.43/x
  3. Step 3: Cross multiply
    181,850.97x = 250,954.28 × 105,414.43
  4. Step 4: Simplify right side
    181,850.97x = 26,454,200,905.22
  5. Step 5: Solve for x
    x = 26,454,200,905.22/181,850.97
  6. Step 6: Final answer
    x = 145,471.87

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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.