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Finding the Fourth Proportional to 101,861.37, 152,792.82 and 38,664.45

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Solution

The fourth proportional to 101,861.37, 152,792.82 and 38,664.45 is: 57,996.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.37 : 152,792.82 = 38,664.45 : x
  2. Step 2: Convert to fraction form
    101,861.37/152,792.82 = 38,664.45/x
  3. Step 3: Cross multiply
    101,861.37x = 152,792.82 × 38,664.45
  4. Step 4: Simplify right side
    101,861.37x = 5,907,650,586.24
  5. Step 5: Solve for x
    x = 5,907,650,586.24/101,861.37
  6. Step 6: Final answer
    x = 57,996.97

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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.