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Finding the Fourth Proportional to 240,919.06, 361,138.02 and 161,024.32

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Solution

The fourth proportional to 240,919.06, 361,138.02 and 161,024.32 is: 241,375.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,919.06 : 361,138.02 = 161,024.32 : x
  2. Step 2: Convert to fraction form
    240,919.06/361,138.02 = 161,024.32/x
  3. Step 3: Cross multiply
    240,919.06x = 361,138.02 × 161,024.32
  4. Step 4: Simplify right side
    240,919.06x = 58,152,004,096.65
  5. Step 5: Solve for x
    x = 58,152,004,096.65/240,919.06
  6. Step 6: Final answer
    x = 241,375.69

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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.