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Finding the Fourth Proportional to 73,285.99, 110,016.66 and 43,717.75

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Solution

The fourth proportional to 73,285.99, 110,016.66 and 43,717.75 is: 65,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.99 : 110,016.66 = 43,717.75 : x
  2. Step 2: Convert to fraction form
    73,285.99/110,016.66 = 43,717.75/x
  3. Step 3: Cross multiply
    73,285.99x = 110,016.66 × 43,717.75
  4. Step 4: Simplify right side
    73,285.99x = 4,809,680,837.72
  5. Step 5: Solve for x
    x = 4,809,680,837.72/73,285.99
  6. Step 6: Final answer
    x = 65,628.93

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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.