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Finding the Fourth Proportional to 73,790.43, 110,619.90 and 27,032.37

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Solution

The fourth proportional to 73,790.43, 110,619.90 and 27,032.37 is: 40,524.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,790.43 : 110,619.90 = 27,032.37 : x
  2. Step 2: Convert to fraction form
    73,790.43/110,619.90 = 27,032.37/x
  3. Step 3: Cross multiply
    73,790.43x = 110,619.90 × 27,032.37
  4. Step 4: Simplify right side
    73,790.43x = 2,990,318,066.16
  5. Step 5: Solve for x
    x = 2,990,318,066.16/73,790.43
  6. Step 6: Final answer
    x = 40,524.47

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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.