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Finding the Fourth Proportional to 240,589.85, 360,763.27 and 140,780.03

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Solution

The fourth proportional to 240,589.85, 360,763.27 and 140,780.03 is: 211,098.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,589.85 : 360,763.27 = 140,780.03 : x
  2. Step 2: Convert to fraction form
    240,589.85/360,763.27 = 140,780.03/x
  3. Step 3: Cross multiply
    240,589.85x = 360,763.27 × 140,780.03
  4. Step 4: Simplify right side
    240,589.85x = 50,788,261,817.73
  5. Step 5: Solve for x
    x = 50,788,261,817.73/240,589.85
  6. Step 6: Final answer
    x = 211,098.94

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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.