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Finding the Fourth Proportional to 229,796.28, 344,694.42 and 72,025.56

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Solution

The fourth proportional to 229,796.28, 344,694.42 and 72,025.56 is: 108,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,796.28 : 344,694.42 = 72,025.56 : x
  2. Step 2: Convert to fraction form
    229,796.28/344,694.42 = 72,025.56/x
  3. Step 3: Cross multiply
    229,796.28x = 344,694.42 × 72,025.56
  4. Step 4: Simplify right side
    229,796.28x = 24,826,808,629.38
  5. Step 5: Solve for x
    x = 24,826,808,629.38/229,796.28
  6. Step 6: Final answer
    x = 108,038.34

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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.