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Finding the Fourth Proportional to 69,012.78, 95,241.06 and 42,150.94

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Solution

The fourth proportional to 69,012.78, 95,241.06 and 42,150.94 is: 58,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012.78 : 95,241.06 = 42,150.94 : x
  2. Step 2: Convert to fraction form
    69,012.78/95,241.06 = 42,150.94/x
  3. Step 3: Cross multiply
    69,012.78x = 95,241.06 × 42,150.94
  4. Step 4: Simplify right side
    69,012.78x = 4,014,500,205.60
  5. Step 5: Solve for x
    x = 4,014,500,205.60/69,012.78
  6. Step 6: Final answer
    x = 58,170.39

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.