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Finding the Fourth Proportional to 84,611.43, 116,748.96 and 48,296.29

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Solution

The fourth proportional to 84,611.43, 116,748.96 and 48,296.29 is: 66,640.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,611.43 : 116,748.96 = 48,296.29 : x
  2. Step 2: Convert to fraction form
    84,611.43/116,748.96 = 48,296.29/x
  3. Step 3: Cross multiply
    84,611.43x = 116,748.96 × 48,296.29
  4. Step 4: Simplify right side
    84,611.43x = 5,638,541,629.36
  5. Step 5: Solve for x
    x = 5,638,541,629.36/84,611.43
  6. Step 6: Final answer
    x = 66,640.42

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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.