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Finding the Fourth Proportional to 159,772.56, 239,664.96 and 41,440.80

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Solution

The fourth proportional to 159,772.56, 239,664.96 and 41,440.80 is: 62,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,772.56 : 239,664.96 = 41,440.80 : x
  2. Step 2: Convert to fraction form
    159,772.56/239,664.96 = 41,440.80/x
  3. Step 3: Cross multiply
    159,772.56x = 239,664.96 × 41,440.80
  4. Step 4: Simplify right side
    159,772.56x = 9,931,907,674.37
  5. Step 5: Solve for x
    x = 9,931,907,674.37/159,772.56
  6. Step 6: Final answer
    x = 62,162.79

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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.