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Finding the Fourth Proportional to 91,755.99, 126,622.31 and 55,943.73

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Solution

The fourth proportional to 91,755.99, 126,622.31 and 55,943.73 is: 77,201.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,755.99 : 126,622.31 = 55,943.73 : x
  2. Step 2: Convert to fraction form
    91,755.99/126,622.31 = 55,943.73/x
  3. Step 3: Cross multiply
    91,755.99x = 126,622.31 × 55,943.73
  4. Step 4: Simplify right side
    91,755.99x = 7,083,724,042.90
  5. Step 5: Solve for x
    x = 7,083,724,042.90/91,755.99
  6. Step 6: Final answer
    x = 77,201.76

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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.