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Finding the Fourth Proportional to 143,162.88, 214,696.60 and 57,751.68

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Solution

The fourth proportional to 143,162.88, 214,696.60 and 57,751.68 is: 86,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,162.88 : 214,696.60 = 57,751.68 : x
  2. Step 2: Convert to fraction form
    143,162.88/214,696.60 = 57,751.68/x
  3. Step 3: Cross multiply
    143,162.88x = 214,696.60 × 57,751.68
  4. Step 4: Simplify right side
    143,162.88x = 12,399,089,340.29
  5. Step 5: Solve for x
    x = 12,399,089,340.29/143,162.88
  6. Step 6: Final answer
    x = 86,608.27

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Why These Related Problems?

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