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Finding the Fourth Proportional to 166,685.25, 230,027.27 and 91,235.37

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Solution

The fourth proportional to 166,685.25, 230,027.27 and 91,235.37 is: 125,905.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,685.25 : 230,027.27 = 91,235.37 : x
  2. Step 2: Convert to fraction form
    166,685.25/230,027.27 = 91,235.37/x
  3. Step 3: Cross multiply
    166,685.25x = 230,027.27 × 91,235.37
  4. Step 4: Simplify right side
    166,685.25x = 20,986,622,632.36
  5. Step 5: Solve for x
    x = 20,986,622,632.36/166,685.25
  6. Step 6: Final answer
    x = 125,905.70

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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.