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Finding the Fourth Proportional to 159,761.67, 239,766.44 and 60,012.60

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Solution

The fourth proportional to 159,761.67, 239,766.44 and 60,012.60 is: 90,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,761.67 : 239,766.44 = 60,012.60 : x
  2. Step 2: Convert to fraction form
    159,761.67/239,766.44 = 60,012.60/x
  3. Step 3: Cross multiply
    159,761.67x = 239,766.44 × 60,012.60
  4. Step 4: Simplify right side
    159,761.67x = 14,389,007,157.08
  5. Step 5: Solve for x
    x = 14,389,007,157.08/159,761.67
  6. Step 6: Final answer
    x = 90,065.45

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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.