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Finding the Fourth Proportional to 232,763.83, 321,203.83 and 135,976.64

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Solution

The fourth proportional to 232,763.83, 321,203.83 and 135,976.64 is: 187,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,763.83 : 321,203.83 = 135,976.64 : x
  2. Step 2: Convert to fraction form
    232,763.83/321,203.83 = 135,976.64/x
  3. Step 3: Cross multiply
    232,763.83x = 321,203.83 × 135,976.64
  4. Step 4: Simplify right side
    232,763.83x = 43,676,218,351.84
  5. Step 5: Solve for x
    x = 43,676,218,351.84/232,763.83
  6. Step 6: Final answer
    x = 187,641.78

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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.