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Finding the Fourth Proportional to 186,853.56, 280,113.67 and 68,497.27

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Solution

The fourth proportional to 186,853.56, 280,113.67 and 68,497.27 is: 102,684.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,853.56 : 280,113.67 = 68,497.27 : x
  2. Step 2: Convert to fraction form
    186,853.56/280,113.67 = 68,497.27/x
  3. Step 3: Cross multiply
    186,853.56x = 280,113.67 × 68,497.27
  4. Step 4: Simplify right side
    186,853.56x = 19,187,021,684.68
  5. Step 5: Solve for x
    x = 19,187,021,684.68/186,853.56
  6. Step 6: Final answer
    x = 102,684.81

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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.