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Finding the Fourth Proportional to 92,082.74, 126,965.49 and 63,025.12

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Solution

The fourth proportional to 92,082.74, 126,965.49 and 63,025.12 is: 86,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,082.74 : 126,965.49 = 63,025.12 : x
  2. Step 2: Convert to fraction form
    92,082.74/126,965.49 = 63,025.12/x
  3. Step 3: Cross multiply
    92,082.74x = 126,965.49 × 63,025.12
  4. Step 4: Simplify right side
    92,082.74x = 8,002,015,243.11
  5. Step 5: Solve for x
    x = 8,002,015,243.11/92,082.74
  6. Step 6: Final answer
    x = 86,900.27

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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.