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Finding the Fourth Proportional to 167,446.57, 231,076.46 and 90,965.71

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Solution

The fourth proportional to 167,446.57, 231,076.46 and 90,965.71 is: 125,532.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,446.57 : 231,076.46 = 90,965.71 : x
  2. Step 2: Convert to fraction form
    167,446.57/231,076.46 = 90,965.71/x
  3. Step 3: Cross multiply
    167,446.57x = 231,076.46 × 90,965.71
  4. Step 4: Simplify right side
    167,446.57x = 21,020,035,089.40
  5. Step 5: Solve for x
    x = 21,020,035,089.40/167,446.57
  6. Step 6: Final answer
    x = 125,532.79

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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.