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Finding the Fourth Proportional to 252,481.25, 348,550.39 and 157,018.70

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Solution

The fourth proportional to 252,481.25, 348,550.39 and 157,018.70 is: 216,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,481.25 : 348,550.39 = 157,018.70 : x
  2. Step 2: Convert to fraction form
    252,481.25/348,550.39 = 157,018.70/x
  3. Step 3: Cross multiply
    252,481.25x = 348,550.39 × 157,018.70
  4. Step 4: Simplify right side
    252,481.25x = 54,728,930,189.94
  5. Step 5: Solve for x
    x = 54,728,930,189.94/252,481.25
  6. Step 6: Final answer
    x = 216,764.33

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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.