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Finding the Fourth Proportional to 84,203.87, 116,003.96 and 58,664.04

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Solution

The fourth proportional to 84,203.87, 116,003.96 and 58,664.04 is: 80,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,203.87 : 116,003.96 = 58,664.04 : x
  2. Step 2: Convert to fraction form
    84,203.87/116,003.96 = 58,664.04/x
  3. Step 3: Cross multiply
    84,203.87x = 116,003.96 × 58,664.04
  4. Step 4: Simplify right side
    84,203.87x = 6,805,260,656.28
  5. Step 5: Solve for x
    x = 6,805,260,656.28/84,203.87
  6. Step 6: Final answer
    x = 80,818.86

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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.