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Finding the Fourth Proportional to 244,251.60, 366,420.60 and 86,571.60

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Solution

The fourth proportional to 244,251.60, 366,420.60 and 86,571.60 is: 129,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,251.60 : 366,420.60 = 86,571.60 : x
  2. Step 2: Convert to fraction form
    244,251.60/366,420.60 = 86,571.60/x
  3. Step 3: Cross multiply
    244,251.60x = 366,420.60 × 86,571.60
  4. Step 4: Simplify right side
    244,251.60x = 31,721,617,614.96
  5. Step 5: Solve for x
    x = 31,721,617,614.96/244,251.60
  6. Step 6: Final answer
    x = 129,872.71

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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.