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Finding the Fourth Proportional to 91,227.48, 125,882.82 and 50,943.48

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Solution

The fourth proportional to 91,227.48, 125,882.82 and 50,943.48 is: 70,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227.48 : 125,882.82 = 50,943.48 : x
  2. Step 2: Convert to fraction form
    91,227.48/125,882.82 = 50,943.48/x
  3. Step 3: Cross multiply
    91,227.48x = 125,882.82 × 50,943.48
  4. Step 4: Simplify right side
    91,227.48x = 6,412,908,923.01
  5. Step 5: Solve for x
    x = 6,412,908,923.01/91,227.48
  6. Step 6: Final answer
    x = 70,295.80

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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.