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Finding the Fourth Proportional to 69,731.42, 104,564.46 and 25,327.22

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Solution

The fourth proportional to 69,731.42, 104,564.46 and 25,327.22 is: 37,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,731.42 : 104,564.46 = 25,327.22 : x
  2. Step 2: Convert to fraction form
    69,731.42/104,564.46 = 25,327.22/x
  3. Step 3: Cross multiply
    69,731.42x = 104,564.46 × 25,327.22
  4. Step 4: Simplify right side
    69,731.42x = 2,648,327,082.60
  5. Step 5: Solve for x
    x = 2,648,327,082.60/69,731.42
  6. Step 6: Final answer
    x = 37,978.96

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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.