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Finding the Fourth Proportional to 294,739.80, 441,847.08 and 136,882.20

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Solution

The fourth proportional to 294,739.80, 441,847.08 and 136,882.20 is: 205,201.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,739.80 : 441,847.08 = 136,882.20 : x
  2. Step 2: Convert to fraction form
    294,739.80/441,847.08 = 136,882.20/x
  3. Step 3: Cross multiply
    294,739.80x = 441,847.08 × 136,882.20
  4. Step 4: Simplify right side
    294,739.80x = 60,481,000,373.98
  5. Step 5: Solve for x
    x = 60,481,000,373.98/294,739.80
  6. Step 6: Final answer
    x = 205,201.33

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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.