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Finding the Fourth Proportional to 126,725.50, 190,088.25 and 33,231.25

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Solution

The fourth proportional to 126,725.50, 190,088.25 and 33,231.25 is: 49,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.50 : 190,088.25 = 33,231.25 : x
  2. Step 2: Convert to fraction form
    126,725.50/190,088.25 = 33,231.25/x
  3. Step 3: Cross multiply
    126,725.50x = 190,088.25 × 33,231.25
  4. Step 4: Simplify right side
    126,725.50x = 6,316,870,157.81
  5. Step 5: Solve for x
    x = 6,316,870,157.81/126,725.50
  6. Step 6: Final answer
    x = 49,846.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.