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Finding the Fourth Proportional to 93,645.87, 140,469.83 and 27,086.63

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Solution

The fourth proportional to 93,645.87, 140,469.83 and 27,086.63 is: 40,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,645.87 : 140,469.83 = 27,086.63 : x
  2. Step 2: Convert to fraction form
    93,645.87/140,469.83 = 27,086.63/x
  3. Step 3: Cross multiply
    93,645.87x = 140,469.83 × 27,086.63
  4. Step 4: Simplify right side
    93,645.87x = 3,804,853,473.59
  5. Step 5: Solve for x
    x = 3,804,853,473.59/93,645.87
  6. Step 6: Final answer
    x = 40,630.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.