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Finding the Fourth Proportional to 73,995.26, 102,078.83 and 48,494.84

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Solution

The fourth proportional to 73,995.26, 102,078.83 and 48,494.84 is: 66,900.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,995.26 : 102,078.83 = 48,494.84 : x
  2. Step 2: Convert to fraction form
    73,995.26/102,078.83 = 48,494.84/x
  3. Step 3: Cross multiply
    73,995.26x = 102,078.83 × 48,494.84
  4. Step 4: Simplify right side
    73,995.26x = 4,950,296,139.08
  5. Step 5: Solve for x
    x = 4,950,296,139.08/73,995.26
  6. Step 6: Final answer
    x = 66,900.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.