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Finding the Fourth Proportional to 84,684.84, 116,862.30 and 46,961.88

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Solution

The fourth proportional to 84,684.84, 116,862.30 and 46,961.88 is: 64,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,684.84 : 116,862.30 = 46,961.88 : x
  2. Step 2: Convert to fraction form
    84,684.84/116,862.30 = 46,961.88/x
  3. Step 3: Cross multiply
    84,684.84x = 116,862.30 × 46,961.88
  4. Step 4: Simplify right side
    84,684.84x = 5,488,073,309.12
  5. Step 5: Solve for x
    x = 5,488,073,309.12/84,684.84
  6. Step 6: Final answer
    x = 64,805.85

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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.