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Finding the Fourth Proportional to 82,640.55, 114,043.42 and 44,914.80

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Solution

The fourth proportional to 82,640.55, 114,043.42 and 44,914.80 is: 61,982.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,640.55 : 114,043.42 = 44,914.80 : x
  2. Step 2: Convert to fraction form
    82,640.55/114,043.42 = 44,914.80/x
  3. Step 3: Cross multiply
    82,640.55x = 114,043.42 × 44,914.80
  4. Step 4: Simplify right side
    82,640.55x = 5,122,237,400.62
  5. Step 5: Solve for x
    x = 5,122,237,400.62/82,640.55
  6. Step 6: Final answer
    x = 61,982.13

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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.