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Finding the Fourth Proportional to 274,480.55, 411,435.39 and 106,116.52

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Solution

The fourth proportional to 274,480.55, 411,435.39 and 106,116.52 is: 159,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,480.55 : 411,435.39 = 106,116.52 : x
  2. Step 2: Convert to fraction form
    274,480.55/411,435.39 = 106,116.52/x
  3. Step 3: Cross multiply
    274,480.55x = 411,435.39 × 106,116.52
  4. Step 4: Simplify right side
    274,480.55x = 43,660,091,791.64
  5. Step 5: Solve for x
    x = 43,660,091,791.64/274,480.55
  6. Step 6: Final answer
    x = 159,064.43

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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.