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Finding the Fourth Proportional to 244,279.80, 366,419.70 and 86,524.20

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Solution

The fourth proportional to 244,279.80, 366,419.70 and 86,524.20 is: 129,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,279.80 : 366,419.70 = 86,524.20 : x
  2. Step 2: Convert to fraction form
    244,279.80/366,419.70 = 86,524.20/x
  3. Step 3: Cross multiply
    244,279.80x = 366,419.70 × 86,524.20
  4. Step 4: Simplify right side
    244,279.80x = 31,704,171,406.74
  5. Step 5: Solve for x
    x = 31,704,171,406.74/244,279.80
  6. Step 6: Final answer
    x = 129,786.30

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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.