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Finding the Fourth Proportional to 140,551.27, 210,727.68 and 51,793.09

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Solution

The fourth proportional to 140,551.27, 210,727.68 and 51,793.09 is: 77,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,551.27 : 210,727.68 = 51,793.09 : x
  2. Step 2: Convert to fraction form
    140,551.27/210,727.68 = 51,793.09/x
  3. Step 3: Cross multiply
    140,551.27x = 210,727.68 × 51,793.09
  4. Step 4: Simplify right side
    140,551.27x = 10,914,237,695.73
  5. Step 5: Solve for x
    x = 10,914,237,695.73/140,551.27
  6. Step 6: Final answer
    x = 77,653.07

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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.