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Finding the Fourth Proportional to 177,540.48, 244,843.60 and 138,783.43

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Solution

The fourth proportional to 177,540.48, 244,843.60 and 138,783.43 is: 191,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,540.48 : 244,843.60 = 138,783.43 : x
  2. Step 2: Convert to fraction form
    177,540.48/244,843.60 = 138,783.43/x
  3. Step 3: Cross multiply
    177,540.48x = 244,843.60 × 138,783.43
  4. Step 4: Simplify right side
    177,540.48x = 33,980,234,621.55
  5. Step 5: Solve for x
    x = 33,980,234,621.55/177,540.48
  6. Step 6: Final answer
    x = 191,394.29

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1.5x scale

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.