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Finding the Fourth Proportional to 270,394.66, 373,142.45 and 149,541.04

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Solution

The fourth proportional to 270,394.66, 373,142.45 and 149,541.04 is: 206,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,394.66 : 373,142.45 = 149,541.04 : x
  2. Step 2: Convert to fraction form
    270,394.66/373,142.45 = 149,541.04/x
  3. Step 3: Cross multiply
    270,394.66x = 373,142.45 × 149,541.04
  4. Step 4: Simplify right side
    270,394.66x = 55,800,107,427.73
  5. Step 5: Solve for x
    x = 55,800,107,427.73/270,394.66
  6. Step 6: Final answer
    x = 206,365.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.