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Finding the Fourth Proportional to 272,940.59, 409,486.83 and 119,080.04

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Solution

The fourth proportional to 272,940.59, 409,486.83 and 119,080.04 is: 178,653.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,940.59 : 409,486.83 = 119,080.04 : x
  2. Step 2: Convert to fraction form
    272,940.59/409,486.83 = 119,080.04/x
  3. Step 3: Cross multiply
    272,940.59x = 409,486.83 × 119,080.04
  4. Step 4: Simplify right side
    272,940.59x = 48,761,707,578.30
  5. Step 5: Solve for x
    x = 48,761,707,578.30/272,940.59
  6. Step 6: Final answer
    x = 178,653.19

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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.