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Finding the Fourth Proportional to 244,604.66, 366,943.42 and 86,819.90

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Solution

The fourth proportional to 244,604.66, 366,943.42 and 86,819.90 is: 130,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,604.66 : 366,943.42 = 86,819.90 : x
  2. Step 2: Convert to fraction form
    244,604.66/366,943.42 = 86,819.90/x
  3. Step 3: Cross multiply
    244,604.66x = 366,943.42 × 86,819.90
  4. Step 4: Simplify right side
    244,604.66x = 31,857,991,030.06
  5. Step 5: Solve for x
    x = 31,857,991,030.06/244,604.66
  6. Step 6: Final answer
    x = 130,242.78

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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.