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Finding the Fourth Proportional to 168,057.75, 231,924.56 and 92,611.11

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Solution

The fourth proportional to 168,057.75, 231,924.56 and 92,611.11 is: 127,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.75 : 231,924.56 = 92,611.11 : x
  2. Step 2: Convert to fraction form
    168,057.75/231,924.56 = 92,611.11/x
  3. Step 3: Cross multiply
    168,057.75x = 231,924.56 × 92,611.11
  4. Step 4: Simplify right side
    168,057.75x = 21,478,790,474.81
  5. Step 5: Solve for x
    x = 21,478,790,474.81/168,057.75
  6. Step 6: Final answer
    x = 127,806.01

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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.