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Finding the Fourth Proportional to 270,640.44, 373,392.78 and 157,370.04

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Solution

The fourth proportional to 270,640.44, 373,392.78 and 157,370.04 is: 217,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,640.44 : 373,392.78 = 157,370.04 : x
  2. Step 2: Convert to fraction form
    270,640.44/373,392.78 = 157,370.04/x
  3. Step 3: Cross multiply
    270,640.44x = 373,392.78 × 157,370.04
  4. Step 4: Simplify right side
    270,640.44x = 58,760,836,724.31
  5. Step 5: Solve for x
    x = 58,760,836,724.31/270,640.44
  6. Step 6: Final answer
    x = 217,117.73

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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.