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Finding the Fourth Proportional to 240,591.87, 360,723.78 and 122,034.60

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Solution

The fourth proportional to 240,591.87, 360,723.78 and 122,034.60 is: 182,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,591.87 : 360,723.78 = 122,034.60 : x
  2. Step 2: Convert to fraction form
    240,591.87/360,723.78 = 122,034.60/x
  3. Step 3: Cross multiply
    240,591.87x = 360,723.78 × 122,034.60
  4. Step 4: Simplify right side
    240,591.87x = 44,020,782,202.79
  5. Step 5: Solve for x
    x = 44,020,782,202.79/240,591.87
  6. Step 6: Final answer
    x = 182,968.70

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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.