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Finding the Fourth Proportional to 240,833.40, 361,291.83 and 80,924.94

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Solution

The fourth proportional to 240,833.40, 361,291.83 and 80,924.94 is: 121,401.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,833.40 : 361,291.83 = 80,924.94 : x
  2. Step 2: Convert to fraction form
    240,833.40/361,291.83 = 80,924.94/x
  3. Step 3: Cross multiply
    240,833.40x = 361,291.83 × 80,924.94
  4. Step 4: Simplify right side
    240,833.40x = 29,237,519,665.24
  5. Step 5: Solve for x
    x = 29,237,519,665.24/240,833.40
  6. Step 6: Final answer
    x = 121,401.43

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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.