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Finding the Fourth Proportional to 133,381.76, 199,850.50 and 93,855.83

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Solution

The fourth proportional to 133,381.76, 199,850.50 and 93,855.83 is: 140,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,381.76 : 199,850.50 = 93,855.83 : x
  2. Step 2: Convert to fraction form
    133,381.76/199,850.50 = 93,855.83/x
  3. Step 3: Cross multiply
    133,381.76x = 199,850.50 × 93,855.83
  4. Step 4: Simplify right side
    133,381.76x = 18,757,133,319.52
  5. Step 5: Solve for x
    x = 18,757,133,319.52/133,381.76
  6. Step 6: Final answer
    x = 140,627.42

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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.