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Finding the Fourth Proportional to 270,295.78, 373,015.96 and 149,444.86

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Solution

The fourth proportional to 270,295.78, 373,015.96 and 149,444.86 is: 206,238.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,295.78 : 373,015.96 = 149,444.86 : x
  2. Step 2: Convert to fraction form
    270,295.78/373,015.96 = 149,444.86/x
  3. Step 3: Cross multiply
    270,295.78x = 373,015.96 × 149,444.86
  4. Step 4: Simplify right side
    270,295.78x = 55,745,317,919.97
  5. Step 5: Solve for x
    x = 55,745,317,919.97/270,295.78
  6. Step 6: Final answer
    x = 206,238.21

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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.