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Finding the Fourth Proportional to 146,611.62, 219,902.85 and 67,724.71

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Solution

The fourth proportional to 146,611.62, 219,902.85 and 67,724.71 is: 101,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,611.62 : 219,902.85 = 67,724.71 : x
  2. Step 2: Convert to fraction form
    146,611.62/219,902.85 = 67,724.71/x
  3. Step 3: Cross multiply
    146,611.62x = 219,902.85 × 67,724.71
  4. Step 4: Simplify right side
    146,611.62x = 14,892,856,194.67
  5. Step 5: Solve for x
    x = 14,892,856,194.67/146,611.62
  6. Step 6: Final answer
    x = 101,580.33

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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.