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Finding the Fourth Proportional to 73,087.65, 100,860.39 and 41,255.46

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Solution

The fourth proportional to 73,087.65, 100,860.39 and 41,255.46 is: 56,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,087.65 : 100,860.39 = 41,255.46 : x
  2. Step 2: Convert to fraction form
    73,087.65/100,860.39 = 41,255.46/x
  3. Step 3: Cross multiply
    73,087.65x = 100,860.39 × 41,255.46
  4. Step 4: Simplify right side
    73,087.65x = 4,161,041,785.23
  5. Step 5: Solve for x
    x = 4,161,041,785.23/73,087.65
  6. Step 6: Final answer
    x = 56,932.21

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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.