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Finding the Fourth Proportional to 294,150.80, 440,934.60 and 136,103.60

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Solution

The fourth proportional to 294,150.80, 440,934.60 and 136,103.60 is: 204,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,150.80 : 440,934.60 = 136,103.60 : x
  2. Step 2: Convert to fraction form
    294,150.80/440,934.60 = 136,103.60/x
  3. Step 3: Cross multiply
    294,150.80x = 440,934.60 × 136,103.60
  4. Step 4: Simplify right side
    294,150.80x = 60,012,786,424.56
  5. Step 5: Solve for x
    x = 60,012,786,424.56/294,150.80
  6. Step 6: Final answer
    x = 204,020.48

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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.