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Finding the Fourth Proportional to 235,760.66, 353,644.66 and 131,243.94

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Solution

The fourth proportional to 235,760.66, 353,644.66 and 131,243.94 is: 196,867.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,760.66 : 353,644.66 = 131,243.94 : x
  2. Step 2: Convert to fraction form
    235,760.66/353,644.66 = 131,243.94/x
  3. Step 3: Cross multiply
    235,760.66x = 353,644.66 × 131,243.94
  4. Step 4: Simplify right side
    235,760.66x = 46,413,718,538.36
  5. Step 5: Solve for x
    x = 46,413,718,538.36/235,760.66
  6. Step 6: Final answer
    x = 196,867.95

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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.