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Finding the Fourth Proportional to 167,652.40, 231,361.95 and 91,173.14

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Solution

The fourth proportional to 167,652.40, 231,361.95 and 91,173.14 is: 125,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,652.40 : 231,361.95 = 91,173.14 : x
  2. Step 2: Convert to fraction form
    167,652.40/231,361.95 = 91,173.14/x
  3. Step 3: Cross multiply
    167,652.40x = 231,361.95 × 91,173.14
  4. Step 4: Simplify right side
    167,652.40x = 21,093,993,845.35
  5. Step 5: Solve for x
    x = 21,093,993,845.35/167,652.40
  6. Step 6: Final answer
    x = 125,819.81

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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.