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Finding the Fourth Proportional to 146,787.70, 220,200.70 and 41,609.42

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Solution

The fourth proportional to 146,787.70, 220,200.70 and 41,609.42 is: 62,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,787.70 : 220,200.70 = 41,609.42 : x
  2. Step 2: Convert to fraction form
    146,787.70/220,200.70 = 41,609.42/x
  3. Step 3: Cross multiply
    146,787.70x = 220,200.70 × 41,609.42
  4. Step 4: Simplify right side
    146,787.70x = 9,162,423,410.59
  5. Step 5: Solve for x
    x = 9,162,423,410.59/146,787.70
  6. Step 6: Final answer
    x = 62,419.56

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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.