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Finding the Fourth Proportional to 82,039.75, 113,214.90 and 44,314

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Solution

The fourth proportional to 82,039.75, 113,214.90 and 44,314 is: 61,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,039.75 : 113,214.90 = 44,314 : x
  2. Step 2: Convert to fraction form
    82,039.75/113,214.90 = 44,314/x
  3. Step 3: Cross multiply
    82,039.75x = 113,214.90 × 44,314
  4. Step 4: Simplify right side
    82,039.75x = 5,017,005,078.60
  5. Step 5: Solve for x
    x = 5,017,005,078.60/82,039.75
  6. Step 6: Final answer
    x = 61,153.34

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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.