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Finding the Fourth Proportional to 99,335.97, 149,097.60 and 36,217.11

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Solution

The fourth proportional to 99,335.97, 149,097.60 and 36,217.11 is: 54,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.97 : 149,097.60 = 36,217.11 : x
  2. Step 2: Convert to fraction form
    99,335.97/149,097.60 = 36,217.11/x
  3. Step 3: Cross multiply
    99,335.97x = 149,097.60 × 36,217.11
  4. Step 4: Simplify right side
    99,335.97x = 5,399,884,179.94
  5. Step 5: Solve for x
    x = 5,399,884,179.94/99,335.97
  6. Step 6: Final answer
    x = 54,359.81

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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.