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Finding the Fourth Proportional to 240,763.56, 361,193.94 and 165,919.56

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Solution

The fourth proportional to 240,763.56, 361,193.94 and 165,919.56 is: 248,912.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,763.56 : 361,193.94 = 165,919.56 : x
  2. Step 2: Convert to fraction form
    240,763.56/361,193.94 = 165,919.56/x
  3. Step 3: Cross multiply
    240,763.56x = 361,193.94 × 165,919.56
  4. Step 4: Simplify right side
    240,763.56x = 59,929,139,599.47
  5. Step 5: Solve for x
    x = 59,929,139,599.47/240,763.56
  6. Step 6: Final answer
    x = 248,912.83

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1.5x scale

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.