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Finding the Fourth Proportional to 82,173.80, 113,399.70 and 44,448.20

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Solution

The fourth proportional to 82,173.80, 113,399.70 and 44,448.20 is: 61,338.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,173.80 : 113,399.70 = 44,448.20 : x
  2. Step 2: Convert to fraction form
    82,173.80/113,399.70 = 44,448.20/x
  3. Step 3: Cross multiply
    82,173.80x = 113,399.70 × 44,448.20
  4. Step 4: Simplify right side
    82,173.80x = 5,040,412,545.54
  5. Step 5: Solve for x
    x = 5,040,412,545.54/82,173.80
  6. Step 6: Final answer
    x = 61,338.44

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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.