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Finding the Fourth Proportional to 73,707.65, 101,716.59 and 41,876.60

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Solution

The fourth proportional to 73,707.65, 101,716.59 and 41,876.60 is: 57,789.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,707.65 : 101,716.59 = 41,876.60 : x
  2. Step 2: Convert to fraction form
    73,707.65/101,716.59 = 41,876.60/x
  3. Step 3: Cross multiply
    73,707.65x = 101,716.59 × 41,876.60
  4. Step 4: Simplify right side
    73,707.65x = 4,259,544,952.79
  5. Step 5: Solve for x
    x = 4,259,544,952.79/73,707.65
  6. Step 6: Final answer
    x = 57,789.73

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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.