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Finding the Fourth Proportional to 168,443.44, 232,441.98 and 91,947.31

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Solution

The fourth proportional to 168,443.44, 232,441.98 and 91,947.31 is: 126,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,443.44 : 232,441.98 = 91,947.31 : x
  2. Step 2: Convert to fraction form
    168,443.44/232,441.98 = 91,947.31/x
  3. Step 3: Cross multiply
    168,443.44x = 232,441.98 × 91,947.31
  4. Step 4: Simplify right side
    168,443.44x = 21,372,414,792.07
  5. Step 5: Solve for x
    x = 21,372,414,792.07/168,443.44
  6. Step 6: Final answer
    x = 126,881.85

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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.