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Finding the Fourth Proportional to 82,231.54, 113,479.54 and 44,505.80

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Solution

The fourth proportional to 82,231.54, 113,479.54 and 44,505.80 is: 61,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,231.54 : 113,479.54 = 44,505.80 : x
  2. Step 2: Convert to fraction form
    82,231.54/113,479.54 = 44,505.80/x
  3. Step 3: Cross multiply
    82,231.54x = 113,479.54 × 44,505.80
  4. Step 4: Simplify right side
    82,231.54x = 5,050,497,711.33
  5. Step 5: Solve for x
    x = 5,050,497,711.33/82,231.54
  6. Step 6: Final answer
    x = 61,418.01

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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.