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Finding the Fourth Proportional to 237,479.80, 356,108.96 and 137,668.56

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Solution

The fourth proportional to 237,479.80, 356,108.96 and 137,668.56 is: 206,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,479.80 : 356,108.96 = 137,668.56 : x
  2. Step 2: Convert to fraction form
    237,479.80/356,108.96 = 137,668.56/x
  3. Step 3: Cross multiply
    237,479.80x = 356,108.96 × 137,668.56
  4. Step 4: Simplify right side
    237,479.80x = 49,025,007,726.30
  5. Step 5: Solve for x
    x = 49,025,007,726.30/237,479.80
  6. Step 6: Final answer
    x = 206,438.64

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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.