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Finding the Fourth Proportional to 237,801.80, 356,739.59 and 80,017.94

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Solution

The fourth proportional to 237,801.80, 356,739.59 and 80,017.94 is: 120,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,801.80 : 356,739.59 = 80,017.94 : x
  2. Step 2: Convert to fraction form
    237,801.80/356,739.59 = 80,017.94/x
  3. Step 3: Cross multiply
    237,801.80x = 356,739.59 × 80,017.94
  4. Step 4: Simplify right side
    237,801.80x = 28,545,568,200.14
  5. Step 5: Solve for x
    x = 28,545,568,200.14/237,801.80
  6. Step 6: Final answer
    x = 120,039.33

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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.