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Finding the Fourth Proportional to 235,273.43, 324,679.30 and 127,843.47

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Solution

The fourth proportional to 235,273.43, 324,679.30 and 127,843.47 is: 176,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,273.43 : 324,679.30 = 127,843.47 : x
  2. Step 2: Convert to fraction form
    235,273.43/324,679.30 = 127,843.47/x
  3. Step 3: Cross multiply
    235,273.43x = 324,679.30 × 127,843.47
  4. Step 4: Simplify right side
    235,273.43x = 41,508,128,029.56
  5. Step 5: Solve for x
    x = 41,508,128,029.56/235,273.43
  6. Step 6: Final answer
    x = 176,425.05

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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.