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Finding the Fourth Proportional to 82,447.56, 113,778.36 and 44,722.56

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Solution

The fourth proportional to 82,447.56, 113,778.36 and 44,722.56 is: 61,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.56 : 113,778.36 = 44,722.56 : x
  2. Step 2: Convert to fraction form
    82,447.56/113,778.36 = 44,722.56/x
  3. Step 3: Cross multiply
    82,447.56x = 113,778.36 × 44,722.56
  4. Step 4: Simplify right side
    82,447.56x = 5,088,459,531.80
  5. Step 5: Solve for x
    x = 5,088,459,531.80/82,447.56
  6. Step 6: Final answer
    x = 61,717.53

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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.