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Finding the Fourth Proportional to 64,115.73, 96,087.63 and 49,901.37

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Solution

The fourth proportional to 64,115.73, 96,087.63 and 49,901.37 is: 74,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.73 : 96,087.63 = 49,901.37 : x
  2. Step 2: Convert to fraction form
    64,115.73/96,087.63 = 49,901.37/x
  3. Step 3: Cross multiply
    64,115.73x = 96,087.63 × 49,901.37
  4. Step 4: Simplify right side
    64,115.73x = 4,794,904,377.05
  5. Step 5: Solve for x
    x = 4,794,904,377.05/64,115.73
  6. Step 6: Final answer
    x = 74,785.15

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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.