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Finding the Fourth Proportional to 85,072.87, 127,609.31 and 22,741.75

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Solution

The fourth proportional to 85,072.87, 127,609.31 and 22,741.75 is: 34,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.87 : 127,609.31 = 22,741.75 : x
  2. Step 2: Convert to fraction form
    85,072.87/127,609.31 = 22,741.75/x
  3. Step 3: Cross multiply
    85,072.87x = 127,609.31 × 22,741.75
  4. Step 4: Simplify right side
    85,072.87x = 2,902,059,025.69
  5. Step 5: Solve for x
    x = 2,902,059,025.69/85,072.87
  6. Step 6: Final answer
    x = 34,112.63

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1.5x scale

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.