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Finding the Fourth Proportional to 213,544.89, 294,687.86 and 118,049.54

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Solution

The fourth proportional to 213,544.89, 294,687.86 and 118,049.54 is: 162,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,544.89 : 294,687.86 = 118,049.54 : x
  2. Step 2: Convert to fraction form
    213,544.89/294,687.86 = 118,049.54/x
  3. Step 3: Cross multiply
    213,544.89x = 294,687.86 × 118,049.54
  4. Step 4: Simplify right side
    213,544.89x = 34,787,764,252.90
  5. Step 5: Solve for x
    x = 34,787,764,252.90/213,544.89
  6. Step 6: Final answer
    x = 162,906.10

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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.