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Finding the Fourth Proportional to 68,133.99, 102,171.81 and 23,747.61

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Solution

The fourth proportional to 68,133.99, 102,171.81 and 23,747.61 is: 35,611.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,133.99 : 102,171.81 = 23,747.61 : x
  2. Step 2: Convert to fraction form
    68,133.99/102,171.81 = 23,747.61/x
  3. Step 3: Cross multiply
    68,133.99x = 102,171.81 × 23,747.61
  4. Step 4: Simplify right side
    68,133.99x = 2,426,336,296.87
  5. Step 5: Solve for x
    x = 2,426,336,296.87/68,133.99
  6. Step 6: Final answer
    x = 35,611.25

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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.