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Finding the Fourth Proportional to 166,994.32, 230,450.40 and 91,542.40

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Solution

The fourth proportional to 166,994.32, 230,450.40 and 91,542.40 is: 126,327.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,994.32 : 230,450.40 = 91,542.40 : x
  2. Step 2: Convert to fraction form
    166,994.32/230,450.40 = 91,542.40/x
  3. Step 3: Cross multiply
    166,994.32x = 230,450.40 × 91,542.40
  4. Step 4: Simplify right side
    166,994.32x = 21,095,982,696.96
  5. Step 5: Solve for x
    x = 21,095,982,696.96/166,994.32
  6. Step 6: Final answer
    x = 126,327.55

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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.