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Finding the Fourth Proportional to 119,940.66, 179,911.62 and 49,820.04

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Solution

The fourth proportional to 119,940.66, 179,911.62 and 49,820.04 is: 74,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,940.66 : 179,911.62 = 49,820.04 : x
  2. Step 2: Convert to fraction form
    119,940.66/179,911.62 = 49,820.04/x
  3. Step 3: Cross multiply
    119,940.66x = 179,911.62 × 49,820.04
  4. Step 4: Simplify right side
    119,940.66x = 8,963,204,104.86
  5. Step 5: Solve for x
    x = 8,963,204,104.86/119,940.66
  6. Step 6: Final answer
    x = 74,730.32

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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.