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Finding the Fourth Proportional to 133,383.68, 199,854 and 93,857.84

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Solution

The fourth proportional to 133,383.68, 199,854 and 93,857.84 is: 140,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,383.68 : 199,854 = 93,857.84 : x
  2. Step 2: Convert to fraction form
    133,383.68/199,854 = 93,857.84/x
  3. Step 3: Cross multiply
    133,383.68x = 199,854 × 93,857.84
  4. Step 4: Simplify right side
    133,383.68x = 18,757,864,755.36
  5. Step 5: Solve for x
    x = 18,757,864,755.36/133,383.68
  6. Step 6: Final answer
    x = 140,630.88

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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.