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Finding the Fourth Proportional to 79,815.28, 110,143.24 and 44,004.48

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Solution

The fourth proportional to 79,815.28, 110,143.24 and 44,004.48 is: 60,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.28 : 110,143.24 = 44,004.48 : x
  2. Step 2: Convert to fraction form
    79,815.28/110,143.24 = 44,004.48/x
  3. Step 3: Cross multiply
    79,815.28x = 110,143.24 × 44,004.48
  4. Step 4: Simplify right side
    79,815.28x = 4,846,796,001.72
  5. Step 5: Solve for x
    x = 4,846,796,001.72/79,815.28
  6. Step 6: Final answer
    x = 60,725.16

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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.