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Finding the Fourth Proportional to 103,819.56, 155,703.42 and 33,718.92

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Solution

The fourth proportional to 103,819.56, 155,703.42 and 33,718.92 is: 50,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,819.56 : 155,703.42 = 33,718.92 : x
  2. Step 2: Convert to fraction form
    103,819.56/155,703.42 = 33,718.92/x
  3. Step 3: Cross multiply
    103,819.56x = 155,703.42 × 33,718.92
  4. Step 4: Simplify right side
    103,819.56x = 5,250,151,162.71
  5. Step 5: Solve for x
    x = 5,250,151,162.71/103,819.56
  6. Step 6: Final answer
    x = 50,569.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.