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Finding the Fourth Proportional to 91,082.25, 125,694.05 and 50,797.71

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Solution

The fourth proportional to 91,082.25, 125,694.05 and 50,797.71 is: 70,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,082.25 : 125,694.05 = 50,797.71 : x
  2. Step 2: Convert to fraction form
    91,082.25/125,694.05 = 50,797.71/x
  3. Step 3: Cross multiply
    91,082.25x = 125,694.05 × 50,797.71
  4. Step 4: Simplify right side
    91,082.25x = 6,384,969,646.64
  5. Step 5: Solve for x
    x = 6,384,969,646.64/91,082.25
  6. Step 6: Final answer
    x = 70,101.14

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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.