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Finding the Fourth Proportional to 123,924.44, 171,016.77 and 67,335.81

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Solution

The fourth proportional to 123,924.44, 171,016.77 and 67,335.81 is: 92,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,924.44 : 171,016.77 = 67,335.81 : x
  2. Step 2: Convert to fraction form
    123,924.44/171,016.77 = 67,335.81/x
  3. Step 3: Cross multiply
    123,924.44x = 171,016.77 × 67,335.81
  4. Step 4: Simplify right side
    123,924.44x = 11,515,552,731.53
  5. Step 5: Solve for x
    x = 11,515,552,731.53/123,924.44
  6. Step 6: Final answer
    x = 92,923.99

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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.