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Finding the Fourth Proportional to 84,687.88, 116,873.94 and 46,961.32

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Solution

The fourth proportional to 84,687.88, 116,873.94 and 46,961.32 is: 64,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,687.88 : 116,873.94 = 46,961.32 : x
  2. Step 2: Convert to fraction form
    84,687.88/116,873.94 = 46,961.32/x
  3. Step 3: Cross multiply
    84,687.88x = 116,873.94 × 46,961.32
  4. Step 4: Simplify right side
    84,687.88x = 5,488,554,496.00
  5. Step 5: Solve for x
    x = 5,488,554,496.00/84,687.88
  6. Step 6: Final answer
    x = 64,809.21

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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.