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Finding the Fourth Proportional to 152,992.49, 229,324.66 and 73,998.05

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Solution

The fourth proportional to 152,992.49, 229,324.66 and 73,998.05 is: 110,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,992.49 : 229,324.66 = 73,998.05 : x
  2. Step 2: Convert to fraction form
    152,992.49/229,324.66 = 73,998.05/x
  3. Step 3: Cross multiply
    152,992.49x = 229,324.66 × 73,998.05
  4. Step 4: Simplify right side
    152,992.49x = 16,969,576,325.29
  5. Step 5: Solve for x
    x = 16,969,576,325.29/152,992.49
  6. Step 6: Final answer
    x = 110,917.71

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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.