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Finding the Fourth Proportional to 133,262.54, 199,928.43 and 39,768.29

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Solution

The fourth proportional to 133,262.54, 199,928.43 and 39,768.29 is: 59,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,262.54 : 199,928.43 = 39,768.29 : x
  2. Step 2: Convert to fraction form
    133,262.54/199,928.43 = 39,768.29/x
  3. Step 3: Cross multiply
    133,262.54x = 199,928.43 × 39,768.29
  4. Step 4: Simplify right side
    133,262.54x = 7,950,810,783.84
  5. Step 5: Solve for x
    x = 7,950,810,783.84/133,262.54
  6. Step 6: Final answer
    x = 59,662.76

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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.