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Finding the Fourth Proportional to 103,957.56, 155,920.14 and 33,836.40

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Solution

The fourth proportional to 103,957.56, 155,920.14 and 33,836.40 is: 50,749.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,957.56 : 155,920.14 = 33,836.40 : x
  2. Step 2: Convert to fraction form
    103,957.56/155,920.14 = 33,836.40/x
  3. Step 3: Cross multiply
    103,957.56x = 155,920.14 × 33,836.40
  4. Step 4: Simplify right side
    103,957.56x = 5,275,776,225.10
  5. Step 5: Solve for x
    x = 5,275,776,225.10/103,957.56
  6. Step 6: Final answer
    x = 50,749.33

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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.