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Finding the Fourth Proportional to 73,098.93, 100,867.37 and 40,825.83

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Solution

The fourth proportional to 73,098.93, 100,867.37 and 40,825.83 is: 56,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,098.93 : 100,867.37 = 40,825.83 : x
  2. Step 2: Convert to fraction form
    73,098.93/100,867.37 = 40,825.83/x
  3. Step 3: Cross multiply
    73,098.93x = 100,867.37 × 40,825.83
  4. Step 4: Simplify right side
    73,098.93x = 4,117,993,896.04
  5. Step 5: Solve for x
    x = 4,117,993,896.04/73,098.93
  6. Step 6: Final answer
    x = 56,334.53

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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.