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Finding the Fourth Proportional to 167,286.16, 230,860.84 and 91,840.40

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Solution

The fourth proportional to 167,286.16, 230,860.84 and 91,840.40 is: 126,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,286.16 : 230,860.84 = 91,840.40 : x
  2. Step 2: Convert to fraction form
    167,286.16/230,860.84 = 91,840.40/x
  3. Step 3: Cross multiply
    167,286.16x = 230,860.84 × 91,840.40
  4. Step 4: Simplify right side
    167,286.16x = 21,202,351,889.94
  5. Step 5: Solve for x
    x = 21,202,351,889.94/167,286.16
  6. Step 6: Final answer
    x = 126,743.01

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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.