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Finding the Fourth Proportional to 89,849.66, 134,812.76 and 33,716.66

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Solution

The fourth proportional to 89,849.66, 134,812.76 and 33,716.66 is: 50,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.66 : 134,812.76 = 33,716.66 : x
  2. Step 2: Convert to fraction form
    89,849.66/134,812.76 = 33,716.66/x
  3. Step 3: Cross multiply
    89,849.66x = 134,812.76 × 33,716.66
  4. Step 4: Simplify right side
    89,849.66x = 4,545,435,149.93
  5. Step 5: Solve for x
    x = 4,545,435,149.93/89,849.66
  6. Step 6: Final answer
    x = 50,589.34

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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.