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Finding the Fourth Proportional to 73,716.70, 110,412.97 and 60,921.44

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Solution

The fourth proportional to 73,716.70, 110,412.97 and 60,921.44 is: 91,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,716.70 : 110,412.97 = 60,921.44 : x
  2. Step 2: Convert to fraction form
    73,716.70/110,412.97 = 60,921.44/x
  3. Step 3: Cross multiply
    73,716.70x = 110,412.97 × 60,921.44
  4. Step 4: Simplify right side
    73,716.70x = 6,726,517,127.08
  5. Step 5: Solve for x
    x = 6,726,517,127.08/73,716.70
  6. Step 6: Final answer
    x = 91,248.21

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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.