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Finding the Fourth Proportional to 73,171.63, 100,976.64 and 41,340.52

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Solution

The fourth proportional to 73,171.63, 100,976.64 and 41,340.52 is: 57,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,171.63 : 100,976.64 = 41,340.52 : x
  2. Step 2: Convert to fraction form
    73,171.63/100,976.64 = 41,340.52/x
  3. Step 3: Cross multiply
    73,171.63x = 100,976.64 × 41,340.52
  4. Step 4: Simplify right side
    73,171.63x = 4,174,426,805.45
  5. Step 5: Solve for x
    x = 4,174,426,805.45/73,171.63
  6. Step 6: Final answer
    x = 57,049.80

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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.