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Finding the Fourth Proportional to 167,379.84, 230,989.50 and 91,928.34

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Solution

The fourth proportional to 167,379.84, 230,989.50 and 91,928.34 is: 126,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,379.84 : 230,989.50 = 91,928.34 : x
  2. Step 2: Convert to fraction form
    167,379.84/230,989.50 = 91,928.34/x
  3. Step 3: Cross multiply
    167,379.84x = 230,989.50 × 91,928.34
  4. Step 4: Simplify right side
    167,379.84x = 21,234,481,292.43
  5. Step 5: Solve for x
    x = 21,234,481,292.43/167,379.84
  6. Step 6: Final answer
    x = 126,864.03

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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.