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Finding the Fourth Proportional to 133,893.27, 200,741.49 and 63,821.79

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Solution

The fourth proportional to 133,893.27, 200,741.49 and 63,821.79 is: 95,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,893.27 : 200,741.49 = 63,821.79 : x
  2. Step 2: Convert to fraction form
    133,893.27/200,741.49 = 63,821.79/x
  3. Step 3: Cross multiply
    133,893.27x = 200,741.49 × 63,821.79
  4. Step 4: Simplify right side
    133,893.27x = 12,811,681,219.07
  5. Step 5: Solve for x
    x = 12,811,681,219.07/133,893.27
  6. Step 6: Final answer
    x = 95,685.77

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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.