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Finding the Fourth Proportional to 82,221.75, 113,466.02 and 44,496

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Solution

The fourth proportional to 82,221.75, 113,466.02 and 44,496 is: 61,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,221.75 : 113,466.02 = 44,496 : x
  2. Step 2: Convert to fraction form
    82,221.75/113,466.02 = 44,496/x
  3. Step 3: Cross multiply
    82,221.75x = 113,466.02 × 44,496
  4. Step 4: Simplify right side
    82,221.75x = 5,048,783,803.44
  5. Step 5: Solve for x
    x = 5,048,783,803.44/82,221.75
  6. Step 6: Final answer
    x = 61,404.48

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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.