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Finding the Fourth Proportional to 84,444.67, 116,399.65 and 66,511.27

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Solution

The fourth proportional to 84,444.67, 116,399.65 and 66,511.27 is: 91,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,444.67 : 116,399.65 = 66,511.27 : x
  2. Step 2: Convert to fraction form
    84,444.67/116,399.65 = 66,511.27/x
  3. Step 3: Cross multiply
    84,444.67x = 116,399.65 × 66,511.27
  4. Step 4: Simplify right side
    84,444.67x = 7,741,887,634.50
  5. Step 5: Solve for x
    x = 7,741,887,634.50/84,444.67
  6. Step 6: Final answer
    x = 91,680.01

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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.